Home / 117,307.38-175,943.25-38,419.86

Finding the Fourth Proportional to 117,307.38, 175,943.25 and 38,419.86

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Solution

The fourth proportional to 117,307.38, 175,943.25 and 38,419.86 is: 57,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,307.38 : 175,943.25 = 38,419.86 : x
  2. Step 2: Convert to fraction form
    117,307.38/175,943.25 = 38,419.86/x
  3. Step 3: Cross multiply
    117,307.38x = 175,943.25 × 38,419.86
  4. Step 4: Simplify right side
    117,307.38x = 6,759,715,032.95
  5. Step 5: Solve for x
    x = 6,759,715,032.95/117,307.38
  6. Step 6: Final answer
    x = 57,623.95

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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.