Home / 89,571.32-134,246.25-45,210.72

Finding the Fourth Proportional to 89,571.32, 134,246.25 and 45,210.72

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Solution

The fourth proportional to 89,571.32, 134,246.25 and 45,210.72 is: 67,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,571.32 : 134,246.25 = 45,210.72 : x
  2. Step 2: Convert to fraction form
    89,571.32/134,246.25 = 45,210.72/x
  3. Step 3: Cross multiply
    89,571.32x = 134,246.25 × 45,210.72
  4. Step 4: Simplify right side
    89,571.32x = 6,069,369,619.80
  5. Step 5: Solve for x
    x = 6,069,369,619.80/89,571.32
  6. Step 6: Final answer
    x = 67,760.19

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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.