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Finding the Fourth Proportional to 91,594.74, 126,419.16 and 62,600.52

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Solution

The fourth proportional to 91,594.74, 126,419.16 and 62,600.52 is: 86,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,594.74 : 126,419.16 = 62,600.52 : x
  2. Step 2: Convert to fraction form
    91,594.74/126,419.16 = 62,600.52/x
  3. Step 3: Cross multiply
    91,594.74x = 126,419.16 × 62,600.52
  4. Step 4: Simplify right side
    91,594.74x = 7,913,905,153.96
  5. Step 5: Solve for x
    x = 7,913,905,153.96/91,594.74
  6. Step 6: Final answer
    x = 86,401.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.