Home / 99,052.40-136,691.51-53,730.27

Finding the Fourth Proportional to 99,052.40, 136,691.51 and 53,730.27

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Solution

The fourth proportional to 99,052.40, 136,691.51 and 53,730.27 is: 74,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,052.40 : 136,691.51 = 53,730.27 : x
  2. Step 2: Convert to fraction form
    99,052.40/136,691.51 = 53,730.27/x
  3. Step 3: Cross multiply
    99,052.40x = 136,691.51 × 53,730.27
  4. Step 4: Simplify right side
    99,052.40x = 7,344,471,739.01
  5. Step 5: Solve for x
    x = 7,344,471,739.01/99,052.40
  6. Step 6: Final answer
    x = 74,147.34

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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.