Home / 78,951.24-118,417.14-34,569.72

Finding the Fourth Proportional to 78,951.24, 118,417.14 and 34,569.72

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Solution

The fourth proportional to 78,951.24, 118,417.14 and 34,569.72 is: 51,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,951.24 : 118,417.14 = 34,569.72 : x
  2. Step 2: Convert to fraction form
    78,951.24/118,417.14 = 34,569.72/x
  3. Step 3: Cross multiply
    78,951.24x = 118,417.14 × 34,569.72
  4. Step 4: Simplify right side
    78,951.24x = 4,093,647,373.00
  5. Step 5: Solve for x
    x = 4,093,647,373.00/78,951.24
  6. Step 6: Final answer
    x = 51,850.32

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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.