Home / 99,686.09-149,553.74-29,565.41

Finding the Fourth Proportional to 99,686.09, 149,553.74 and 29,565.41

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Solution

The fourth proportional to 99,686.09, 149,553.74 and 29,565.41 is: 44,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,686.09 : 149,553.74 = 29,565.41 : x
  2. Step 2: Convert to fraction form
    99,686.09/149,553.74 = 29,565.41/x
  3. Step 3: Cross multiply
    99,686.09x = 149,553.74 × 29,565.41
  4. Step 4: Simplify right side
    99,686.09x = 4,421,616,966.28
  5. Step 5: Solve for x
    x = 4,421,616,966.28/99,686.09
  6. Step 6: Final answer
    x = 44,355.40

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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.