Home / 99,154.49-136,833.36-53,832.47

Finding the Fourth Proportional to 99,154.49, 136,833.36 and 53,832.47

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Solution

The fourth proportional to 99,154.49, 136,833.36 and 53,832.47 is: 74,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,154.49 : 136,833.36 = 53,832.47 : x
  2. Step 2: Convert to fraction form
    99,154.49/136,833.36 = 53,832.47/x
  3. Step 3: Cross multiply
    99,154.49x = 136,833.36 × 53,832.47
  4. Step 4: Simplify right side
    99,154.49x = 7,366,077,747.20
  5. Step 5: Solve for x
    x = 7,366,077,747.20/99,154.49
  6. Step 6: Final answer
    x = 74,288.90

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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.