Home / 91,308.49-126,018.24-52,545.52

Finding the Fourth Proportional to 91,308.49, 126,018.24 and 52,545.52

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Solution

The fourth proportional to 91,308.49, 126,018.24 and 52,545.52 is: 72,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308.49 : 126,018.24 = 52,545.52 : x
  2. Step 2: Convert to fraction form
    91,308.49/126,018.24 = 52,545.52/x
  3. Step 3: Cross multiply
    91,308.49x = 126,018.24 × 52,545.52
  4. Step 4: Simplify right side
    91,308.49x = 6,621,693,910.76
  5. Step 5: Solve for x
    x = 6,621,693,910.76/91,308.49
  6. Step 6: Final answer
    x = 72,520.02

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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.