Home / 91,956.06-137,759.13-52,393.23

Finding the Fourth Proportional to 91,956.06, 137,759.13 and 52,393.23

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Solution

The fourth proportional to 91,956.06, 137,759.13 and 52,393.23 is: 78,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,956.06 : 137,759.13 = 52,393.23 : x
  2. Step 2: Convert to fraction form
    91,956.06/137,759.13 = 52,393.23/x
  3. Step 3: Cross multiply
    91,956.06x = 137,759.13 × 52,393.23
  4. Step 4: Simplify right side
    91,956.06x = 7,217,645,782.69
  5. Step 5: Solve for x
    x = 7,217,645,782.69/91,956.06
  6. Step 6: Final answer
    x = 78,490.16

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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.