Home / 74,367.55-111,551.55-52,279.75

Finding the Fourth Proportional to 74,367.55, 111,551.55 and 52,279.75

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Solution

The fourth proportional to 74,367.55, 111,551.55 and 52,279.75 is: 78,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.55 : 111,551.55 = 52,279.75 : x
  2. Step 2: Convert to fraction form
    74,367.55/111,551.55 = 52,279.75/x
  3. Step 3: Cross multiply
    74,367.55x = 111,551.55 × 52,279.75
  4. Step 4: Simplify right side
    74,367.55x = 5,831,887,146.11
  5. Step 5: Solve for x
    x = 5,831,887,146.11/74,367.55
  6. Step 6: Final answer
    x = 78,419.78

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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.