Home / 104,524.10-156,721.35-60,128.90

Finding the Fourth Proportional to 104,524.10, 156,721.35 and 60,128.90

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Solution

The fourth proportional to 104,524.10, 156,721.35 and 60,128.90 is: 90,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,524.10 : 156,721.35 = 60,128.90 : x
  2. Step 2: Convert to fraction form
    104,524.10/156,721.35 = 60,128.90/x
  3. Step 3: Cross multiply
    104,524.10x = 156,721.35 × 60,128.90
  4. Step 4: Simplify right side
    104,524.10x = 9,423,482,382.02
  5. Step 5: Solve for x
    x = 9,423,482,382.02/104,524.10
  6. Step 6: Final answer
    x = 90,156.07

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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.