Home / 80,874.40-111,614.88-45,070.24

Finding the Fourth Proportional to 80,874.40, 111,614.88 and 45,070.24

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Solution

The fourth proportional to 80,874.40, 111,614.88 and 45,070.24 is: 62,201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874.40 : 111,614.88 = 45,070.24 : x
  2. Step 2: Convert to fraction form
    80,874.40/111,614.88 = 45,070.24/x
  3. Step 3: Cross multiply
    80,874.40x = 111,614.88 × 45,070.24
  4. Step 4: Simplify right side
    80,874.40x = 5,030,509,429.17
  5. Step 5: Solve for x
    x = 5,030,509,429.17/80,874.40
  6. Step 6: Final answer
    x = 62,201.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.