Home / 66,474.07-99,689.43-22,088.90

Finding the Fourth Proportional to 66,474.07, 99,689.43 and 22,088.90

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Solution

The fourth proportional to 66,474.07, 99,689.43 and 22,088.90 is: 33,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474.07 : 99,689.43 = 22,088.90 : x
  2. Step 2: Convert to fraction form
    66,474.07/99,689.43 = 22,088.90/x
  3. Step 3: Cross multiply
    66,474.07x = 99,689.43 × 22,088.90
  4. Step 4: Simplify right side
    66,474.07x = 2,202,030,182.38
  5. Step 5: Solve for x
    x = 2,202,030,182.38/66,474.07
  6. Step 6: Final answer
    x = 33,126.15

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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.