Home / 91,754.10-137,607.39-25,178.58

Finding the Fourth Proportional to 91,754.10, 137,607.39 and 25,178.58

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Solution

The fourth proportional to 91,754.10, 137,607.39 and 25,178.58 is: 37,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754.10 : 137,607.39 = 25,178.58 : x
  2. Step 2: Convert to fraction form
    91,754.10/137,607.39 = 25,178.58/x
  3. Step 3: Cross multiply
    91,754.10x = 137,607.39 × 25,178.58
  4. Step 4: Simplify right side
    91,754.10x = 3,464,758,677.71
  5. Step 5: Solve for x
    x = 3,464,758,677.71/91,754.10
  6. Step 6: Final answer
    x = 37,761.35

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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.