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Finding the Fourth Proportional to 60,646.64, 83,686.68 and 44,739.92

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Solution

The fourth proportional to 60,646.64, 83,686.68 and 44,739.92 is: 61,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,646.64 : 83,686.68 = 44,739.92 : x
  2. Step 2: Convert to fraction form
    60,646.64/83,686.68 = 44,739.92/x
  3. Step 3: Cross multiply
    60,646.64x = 83,686.68 × 44,739.92
  4. Step 4: Simplify right side
    60,646.64x = 3,744,135,368.27
  5. Step 5: Solve for x
    x = 3,744,135,368.27/60,646.64
  6. Step 6: Final answer
    x = 61,736.90

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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.