Home / 66,442.19-99,699.73-26,988.71

Finding the Fourth Proportional to 66,442.19, 99,699.73 and 26,988.71

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Solution

The fourth proportional to 66,442.19, 99,699.73 and 26,988.71 is: 40,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442.19 : 99,699.73 = 26,988.71 : x
  2. Step 2: Convert to fraction form
    66,442.19/99,699.73 = 26,988.71/x
  3. Step 3: Cross multiply
    66,442.19x = 99,699.73 × 26,988.71
  4. Step 4: Simplify right side
    66,442.19x = 2,690,766,534.08
  5. Step 5: Solve for x
    x = 2,690,766,534.08/66,442.19
  6. Step 6: Final answer
    x = 40,497.86

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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.