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Finding the Fourth Proportional to 80,388, 110,948.40 and 46,847.52

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Solution

The fourth proportional to 80,388, 110,948.40 and 46,847.52 is: 64,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,388 : 110,948.40 = 46,847.52 : x
  2. Step 2: Convert to fraction form
    80,388/110,948.40 = 46,847.52/x
  3. Step 3: Cross multiply
    80,388x = 110,948.40 × 46,847.52
  4. Step 4: Simplify right side
    80,388x = 5,197,657,387.97
  5. Step 5: Solve for x
    x = 5,197,657,387.97/80,388
  6. Step 6: Final answer
    x = 64,657.13

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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.