Home / 89,764.41-134,685.59-48,162.81

Finding the Fourth Proportional to 89,764.41, 134,685.59 and 48,162.81

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Solution

The fourth proportional to 89,764.41, 134,685.59 and 48,162.81 is: 72,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,764.41 : 134,685.59 = 48,162.81 : x
  2. Step 2: Convert to fraction form
    89,764.41/134,685.59 = 48,162.81/x
  3. Step 3: Cross multiply
    89,764.41x = 134,685.59 × 48,162.81
  4. Step 4: Simplify right side
    89,764.41x = 6,486,836,240.09
  5. Step 5: Solve for x
    x = 6,486,836,240.09/89,764.41
  6. Step 6: Final answer
    x = 72,265.12

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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.