Home / 91,260.80-136,889.14-41,304.72

Finding the Fourth Proportional to 91,260.80, 136,889.14 and 41,304.72

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Solution

The fourth proportional to 91,260.80, 136,889.14 and 41,304.72 is: 61,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,260.80 : 136,889.14 = 41,304.72 : x
  2. Step 2: Convert to fraction form
    91,260.80/136,889.14 = 41,304.72/x
  3. Step 3: Cross multiply
    91,260.80x = 136,889.14 × 41,304.72
  4. Step 4: Simplify right side
    91,260.80x = 5,654,167,598.74
  5. Step 5: Solve for x
    x = 5,654,167,598.74/91,260.80
  6. Step 6: Final answer
    x = 61,956.15

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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.