Home / 90,301.04-124,616.37-54,484.13

Finding the Fourth Proportional to 90,301.04, 124,616.37 and 54,484.13

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Solution

The fourth proportional to 90,301.04, 124,616.37 and 54,484.13 is: 75,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,301.04 : 124,616.37 = 54,484.13 : x
  2. Step 2: Convert to fraction form
    90,301.04/124,616.37 = 54,484.13/x
  3. Step 3: Cross multiply
    90,301.04x = 124,616.37 × 54,484.13
  4. Step 4: Simplify right side
    90,301.04x = 6,789,614,503.21
  5. Step 5: Solve for x
    x = 6,789,614,503.21/90,301.04
  6. Step 6: Final answer
    x = 75,188.66

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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.