Home / 99,593.52-137,437.29-54,271.83

Finding the Fourth Proportional to 99,593.52, 137,437.29 and 54,271.83

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Solution

The fourth proportional to 99,593.52, 137,437.29 and 54,271.83 is: 74,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,593.52 : 137,437.29 = 54,271.83 : x
  2. Step 2: Convert to fraction form
    99,593.52/137,437.29 = 54,271.83/x
  3. Step 3: Cross multiply
    99,593.52x = 137,437.29 × 54,271.83
  4. Step 4: Simplify right side
    99,593.52x = 7,458,973,238.54
  5. Step 5: Solve for x
    x = 7,458,973,238.54/99,593.52
  6. Step 6: Final answer
    x = 74,894.16

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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.