Home / 91,155.56-136,732.76-49,055.46

Finding the Fourth Proportional to 91,155.56, 136,732.76 and 49,055.46

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Solution

The fourth proportional to 91,155.56, 136,732.76 and 49,055.46 is: 73,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,155.56 : 136,732.76 = 49,055.46 : x
  2. Step 2: Convert to fraction form
    91,155.56/136,732.76 = 49,055.46/x
  3. Step 3: Cross multiply
    91,155.56x = 136,732.76 × 49,055.46
  4. Step 4: Simplify right side
    91,155.56x = 6,707,488,438.87
  5. Step 5: Solve for x
    x = 6,707,488,438.87/91,155.56
  6. Step 6: Final answer
    x = 73,582.88

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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.