Home / 89,816.04-123,947.01-51,575.13

Finding the Fourth Proportional to 89,816.04, 123,947.01 and 51,575.13

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Solution

The fourth proportional to 89,816.04, 123,947.01 and 51,575.13 is: 71,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.04 : 123,947.01 = 51,575.13 : x
  2. Step 2: Convert to fraction form
    89,816.04/123,947.01 = 51,575.13/x
  3. Step 3: Cross multiply
    89,816.04x = 123,947.01 × 51,575.13
  4. Step 4: Simplify right side
    89,816.04x = 6,392,583,153.86
  5. Step 5: Solve for x
    x = 6,392,583,153.86/89,816.04
  6. Step 6: Final answer
    x = 71,174.18

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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.