Home / 89,639.46-134,459.28-23,079.74

Finding the Fourth Proportional to 89,639.46, 134,459.28 and 23,079.74

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Solution

The fourth proportional to 89,639.46, 134,459.28 and 23,079.74 is: 34,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,639.46 : 134,459.28 = 23,079.74 : x
  2. Step 2: Convert to fraction form
    89,639.46/134,459.28 = 23,079.74/x
  3. Step 3: Cross multiply
    89,639.46x = 134,459.28 × 23,079.74
  4. Step 4: Simplify right side
    89,639.46x = 3,103,284,550.69
  5. Step 5: Solve for x
    x = 3,103,284,550.69/89,639.46
  6. Step 6: Final answer
    x = 34,619.63

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.