Home / 66,423.17-99,565.56-28,973.19

Finding the Fourth Proportional to 66,423.17, 99,565.56 and 28,973.19

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Solution

The fourth proportional to 66,423.17, 99,565.56 and 28,973.19 is: 43,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423.17 : 99,565.56 = 28,973.19 : x
  2. Step 2: Convert to fraction form
    66,423.17/99,565.56 = 28,973.19/x
  3. Step 3: Cross multiply
    66,423.17x = 99,565.56 × 28,973.19
  4. Step 4: Simplify right side
    66,423.17x = 2,884,731,887.34
  5. Step 5: Solve for x
    x = 2,884,731,887.34/66,423.17
  6. Step 6: Final answer
    x = 43,429.60

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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.