Home / 80,854.40-111,587.28-45,050.24

Finding the Fourth Proportional to 80,854.40, 111,587.28 and 45,050.24

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Solution

The fourth proportional to 80,854.40, 111,587.28 and 45,050.24 is: 62,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.40 : 111,587.28 = 45,050.24 : x
  2. Step 2: Convert to fraction form
    80,854.40/111,587.28 = 45,050.24/x
  3. Step 3: Cross multiply
    80,854.40x = 111,587.28 × 45,050.24
  4. Step 4: Simplify right side
    80,854.40x = 5,027,033,744.95
  5. Step 5: Solve for x
    x = 5,027,033,744.95/80,854.40
  6. Step 6: Final answer
    x = 62,173.90

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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.