Home / 99,686.64-149,538.06-29,565.75

Finding the Fourth Proportional to 99,686.64, 149,538.06 and 29,565.75

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Solution

The fourth proportional to 99,686.64, 149,538.06 and 29,565.75 is: 44,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686.64 : 149,538.06 = 29,565.75 : x
  2. Step 2: Convert to fraction form
    99,686.64/149,538.06 = 29,565.75/x
  3. Step 3: Cross multiply
    99,686.64x = 149,538.06 × 29,565.75
  4. Step 4: Simplify right side
    99,686.64x = 4,421,204,897.45
  5. Step 5: Solve for x
    x = 4,421,204,897.45/99,686.64
  6. Step 6: Final answer
    x = 44,351.03

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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.