Home / 78,686.04-118,063.96-41,237.22

Finding the Fourth Proportional to 78,686.04, 118,063.96 and 41,237.22

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Solution

The fourth proportional to 78,686.04, 118,063.96 and 41,237.22 is: 61,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,686.04 : 118,063.96 = 41,237.22 : x
  2. Step 2: Convert to fraction form
    78,686.04/118,063.96 = 41,237.22/x
  3. Step 3: Cross multiply
    78,686.04x = 118,063.96 × 41,237.22
  4. Step 4: Simplify right side
    78,686.04x = 4,868,629,492.59
  5. Step 5: Solve for x
    x = 4,868,629,492.59/78,686.04
  6. Step 6: Final answer
    x = 61,874.12

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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.