Home / 99,246.74-148,872.53-29,128.28

Finding the Fourth Proportional to 99,246.74, 148,872.53 and 29,128.28

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Solution

The fourth proportional to 99,246.74, 148,872.53 and 29,128.28 is: 43,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,246.74 : 148,872.53 = 29,128.28 : x
  2. Step 2: Convert to fraction form
    99,246.74/148,872.53 = 29,128.28/x
  3. Step 3: Cross multiply
    99,246.74x = 148,872.53 × 29,128.28
  4. Step 4: Simplify right side
    99,246.74x = 4,336,400,066.61
  5. Step 5: Solve for x
    x = 4,336,400,066.61/99,246.74
  6. Step 6: Final answer
    x = 43,693.13

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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.