Home / 66,775.80-92,157.92-42,577.62

Finding the Fourth Proportional to 66,775.80, 92,157.92 and 42,577.62

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Solution

The fourth proportional to 66,775.80, 92,157.92 and 42,577.62 is: 58,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,775.80 : 92,157.92 = 42,577.62 : x
  2. Step 2: Convert to fraction form
    66,775.80/92,157.92 = 42,577.62/x
  3. Step 3: Cross multiply
    66,775.80x = 92,157.92 × 42,577.62
  4. Step 4: Simplify right side
    66,775.80x = 3,923,864,897.75
  5. Step 5: Solve for x
    x = 3,923,864,897.75/66,775.80
  6. Step 6: Final answer
    x = 58,761.78

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1.5x scale

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.