Home / 78,686.00-118,063.88-41,237.17

Finding the Fourth Proportional to 78,686.00, 118,063.88 and 41,237.17

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Solution

The fourth proportional to 78,686.00, 118,063.88 and 41,237.17 is: 61,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,686.00 : 118,063.88 = 41,237.17 : x
  2. Step 2: Convert to fraction form
    78,686.00/118,063.88 = 41,237.17/x
  3. Step 3: Cross multiply
    78,686.00x = 118,063.88 × 41,237.17
  4. Step 4: Simplify right side
    78,686.00x = 4,868,620,098.35
  5. Step 5: Solve for x
    x = 4,868,620,098.35/78,686.00
  6. Step 6: Final answer
    x = 61,874.04

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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.