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Finding the Fourth Proportional to 83,693.52, 125,225.52 and 49,835.28

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Solution

The fourth proportional to 83,693.52, 125,225.52 and 49,835.28 is: 74,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,693.52 : 125,225.52 = 49,835.28 : x
  2. Step 2: Convert to fraction form
    83,693.52/125,225.52 = 49,835.28/x
  3. Step 3: Cross multiply
    83,693.52x = 125,225.52 × 49,835.28
  4. Step 4: Simplify right side
    83,693.52x = 6,240,648,852.35
  5. Step 5: Solve for x
    x = 6,240,648,852.35/83,693.52
  6. Step 6: Final answer
    x = 74,565.50

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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.