Home / 103,687.04-155,524.08-53,752.16

Finding the Fourth Proportional to 103,687.04, 155,524.08 and 53,752.16

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Solution

The fourth proportional to 103,687.04, 155,524.08 and 53,752.16 is: 80,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.04 : 155,524.08 = 53,752.16 : x
  2. Step 2: Convert to fraction form
    103,687.04/155,524.08 = 53,752.16/x
  3. Step 3: Cross multiply
    103,687.04x = 155,524.08 × 53,752.16
  4. Step 4: Simplify right side
    103,687.04x = 8,359,755,232.01
  5. Step 5: Solve for x
    x = 8,359,755,232.01/103,687.04
  6. Step 6: Final answer
    x = 80,624.88

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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.