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Finding the Fourth Proportional to 72,862.59, 100,552.35 and 41,032.64

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Solution

The fourth proportional to 72,862.59, 100,552.35 and 41,032.64 is: 56,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,862.59 : 100,552.35 = 41,032.64 : x
  2. Step 2: Convert to fraction form
    72,862.59/100,552.35 = 41,032.64/x
  3. Step 3: Cross multiply
    72,862.59x = 100,552.35 × 41,032.64
  4. Step 4: Simplify right side
    72,862.59x = 4,125,927,875.94
  5. Step 5: Solve for x
    x = 4,125,927,875.94/72,862.59
  6. Step 6: Final answer
    x = 56,626.15

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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.