Home / 99,468.74-149,248.24-91,059.68

Finding the Fourth Proportional to 99,468.74, 149,248.24 and 91,059.68

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Solution

The fourth proportional to 99,468.74, 149,248.24 and 91,059.68 is: 136,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.74 : 149,248.24 = 91,059.68 : x
  2. Step 2: Convert to fraction form
    99,468.74/149,248.24 = 91,059.68/x
  3. Step 3: Cross multiply
    99,468.74x = 149,248.24 × 91,059.68
  4. Step 4: Simplify right side
    99,468.74x = 13,590,496,001.07
  5. Step 5: Solve for x
    x = 13,590,496,001.07/99,468.74
  6. Step 6: Final answer
    x = 136,630.83

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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.