Home / 99,916.76-137,883.51-54,593.75

Finding the Fourth Proportional to 99,916.76, 137,883.51 and 54,593.75

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Solution

The fourth proportional to 99,916.76, 137,883.51 and 54,593.75 is: 75,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,916.76 : 137,883.51 = 54,593.75 : x
  2. Step 2: Convert to fraction form
    99,916.76/137,883.51 = 54,593.75/x
  3. Step 3: Cross multiply
    99,916.76x = 137,883.51 × 54,593.75
  4. Step 4: Simplify right side
    99,916.76x = 7,527,577,184.64
  5. Step 5: Solve for x
    x = 7,527,577,184.64/99,916.76
  6. Step 6: Final answer
    x = 75,338.49

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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.