Home / 99,410.11-137,181.85-54,088.28

Finding the Fourth Proportional to 99,410.11, 137,181.85 and 54,088.28

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Solution

The fourth proportional to 99,410.11, 137,181.85 and 54,088.28 is: 74,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.11 : 137,181.85 = 54,088.28 : x
  2. Step 2: Convert to fraction form
    99,410.11/137,181.85 = 54,088.28/x
  3. Step 3: Cross multiply
    99,410.11x = 137,181.85 × 54,088.28
  4. Step 4: Simplify right side
    99,410.11x = 7,419,930,007.02
  5. Step 5: Solve for x
    x = 7,419,930,007.02/99,410.11
  6. Step 6: Final answer
    x = 74,639.59

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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.