Home / 91,639.28-137,428.17-41,006.58

Finding the Fourth Proportional to 91,639.28, 137,428.17 and 41,006.58

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Solution

The fourth proportional to 91,639.28, 137,428.17 and 41,006.58 is: 61,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,639.28 : 137,428.17 = 41,006.58 : x
  2. Step 2: Convert to fraction form
    91,639.28/137,428.17 = 41,006.58/x
  3. Step 3: Cross multiply
    91,639.28x = 137,428.17 × 41,006.58
  4. Step 4: Simplify right side
    91,639.28x = 5,635,459,247.36
  5. Step 5: Solve for x
    x = 5,635,459,247.36/91,639.28
  6. Step 6: Final answer
    x = 61,496.11

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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.