Home / 99,487.47-137,304.62-58,660.84

Finding the Fourth Proportional to 99,487.47, 137,304.62 and 58,660.84

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Solution

The fourth proportional to 99,487.47, 137,304.62 and 58,660.84 is: 80,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,487.47 : 137,304.62 = 58,660.84 : x
  2. Step 2: Convert to fraction form
    99,487.47/137,304.62 = 58,660.84/x
  3. Step 3: Cross multiply
    99,487.47x = 137,304.62 × 58,660.84
  4. Step 4: Simplify right side
    99,487.47x = 8,054,404,345.08
  5. Step 5: Solve for x
    x = 8,054,404,345.08/99,487.47
  6. Step 6: Final answer
    x = 80,958.98

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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.