Home / 52,576.20-78,864.30-38,752.20

Finding the Fourth Proportional to 52,576.20, 78,864.30 and 38,752.20

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Solution

The fourth proportional to 52,576.20, 78,864.30 and 38,752.20 is: 58,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,576.20 : 78,864.30 = 38,752.20 : x
  2. Step 2: Convert to fraction form
    52,576.20/78,864.30 = 38,752.20/x
  3. Step 3: Cross multiply
    52,576.20x = 78,864.30 × 38,752.20
  4. Step 4: Simplify right side
    52,576.20x = 3,056,165,126.46
  5. Step 5: Solve for x
    x = 3,056,165,126.46/52,576.20
  6. Step 6: Final answer
    x = 58,128.30

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1.5x scale

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.