Home / 66,159.40-99,366.76-56,693.19

Finding the Fourth Proportional to 66,159.40, 99,366.76 and 56,693.19

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Solution

The fourth proportional to 66,159.40, 99,366.76 and 56,693.19 is: 85,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159.40 : 99,366.76 = 56,693.19 : x
  2. Step 2: Convert to fraction form
    66,159.40/99,366.76 = 56,693.19/x
  3. Step 3: Cross multiply
    66,159.40x = 99,366.76 × 56,693.19
  4. Step 4: Simplify right side
    66,159.40x = 5,633,418,604.36
  5. Step 5: Solve for x
    x = 5,633,418,604.36/66,159.40
  6. Step 6: Final answer
    x = 85,149.18

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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.