Home / 91,569.46-137,401.07-43,592.36

Finding the Fourth Proportional to 91,569.46, 137,401.07 and 43,592.36

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Solution

The fourth proportional to 91,569.46, 137,401.07 and 43,592.36 is: 65,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,569.46 : 137,401.07 = 43,592.36 : x
  2. Step 2: Convert to fraction form
    91,569.46/137,401.07 = 43,592.36/x
  3. Step 3: Cross multiply
    91,569.46x = 137,401.07 × 43,592.36
  4. Step 4: Simplify right side
    91,569.46x = 5,989,636,689.86
  5. Step 5: Solve for x
    x = 5,989,636,689.86/91,569.46
  6. Step 6: Final answer
    x = 65,410.86

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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.