Home / 78,081.75-117,125.91-22,677.75

Finding the Fourth Proportional to 78,081.75, 117,125.91 and 22,677.75

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Solution

The fourth proportional to 78,081.75, 117,125.91 and 22,677.75 is: 34,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,081.75 : 117,125.91 = 22,677.75 : x
  2. Step 2: Convert to fraction form
    78,081.75/117,125.91 = 22,677.75/x
  3. Step 3: Cross multiply
    78,081.75x = 117,125.91 × 22,677.75
  4. Step 4: Simplify right side
    78,081.75x = 2,656,152,105.50
  5. Step 5: Solve for x
    x = 2,656,152,105.50/78,081.75
  6. Step 6: Final answer
    x = 34,017.58

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1.5x scale

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.