Home / 78,291.04-117,436.56-22,887.04

Finding the Fourth Proportional to 78,291.04, 117,436.56 and 22,887.04

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Solution

The fourth proportional to 78,291.04, 117,436.56 and 22,887.04 is: 34,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,291.04 : 117,436.56 = 22,887.04 : x
  2. Step 2: Convert to fraction form
    78,291.04/117,436.56 = 22,887.04/x
  3. Step 3: Cross multiply
    78,291.04x = 117,436.56 × 22,887.04
  4. Step 4: Simplify right side
    78,291.04x = 2,687,775,246.18
  5. Step 5: Solve for x
    x = 2,687,775,246.18/78,291.04
  6. Step 6: Final answer
    x = 34,330.56

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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.