Home / 62,612.20-86,438.10-42,576.04

Finding the Fourth Proportional to 62,612.20, 86,438.10 and 42,576.04

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Solution

The fourth proportional to 62,612.20, 86,438.10 and 42,576.04 is: 58,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,612.20 : 86,438.10 = 42,576.04 : x
  2. Step 2: Convert to fraction form
    62,612.20/86,438.10 = 42,576.04/x
  3. Step 3: Cross multiply
    62,612.20x = 86,438.10 × 42,576.04
  4. Step 4: Simplify right side
    62,612.20x = 3,680,192,003.12
  5. Step 5: Solve for x
    x = 3,680,192,003.12/62,612.20
  6. Step 6: Final answer
    x = 58,777.55

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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.