Home / 91,758.56-137,521.80-52,337.88

Finding the Fourth Proportional to 91,758.56, 137,521.80 and 52,337.88

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Solution

The fourth proportional to 91,758.56, 137,521.80 and 52,337.88 is: 78,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,758.56 : 137,521.80 = 52,337.88 : x
  2. Step 2: Convert to fraction form
    91,758.56/137,521.80 = 52,337.88/x
  3. Step 3: Cross multiply
    91,758.56x = 137,521.80 × 52,337.88
  4. Step 4: Simplify right side
    91,758.56x = 7,197,599,465.78
  5. Step 5: Solve for x
    x = 7,197,599,465.78/91,758.56
  6. Step 6: Final answer
    x = 78,440.64

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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.