Home / 62,290.62-85,931.16-40,770.90

Finding the Fourth Proportional to 62,290.62, 85,931.16 and 40,770.90

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Solution

The fourth proportional to 62,290.62, 85,931.16 and 40,770.90 is: 56,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,290.62 : 85,931.16 = 40,770.90 : x
  2. Step 2: Convert to fraction form
    62,290.62/85,931.16 = 40,770.90/x
  3. Step 3: Cross multiply
    62,290.62x = 85,931.16 × 40,770.90
  4. Step 4: Simplify right side
    62,290.62x = 3,503,490,731.24
  5. Step 5: Solve for x
    x = 3,503,490,731.24/62,290.62
  6. Step 6: Final answer
    x = 56,244.27

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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.