Home / 80,847.54-111,569.40-45,037.20

Finding the Fourth Proportional to 80,847.54, 111,569.40 and 45,037.20

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Solution

The fourth proportional to 80,847.54, 111,569.40 and 45,037.20 is: 62,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,847.54 : 111,569.40 = 45,037.20 : x
  2. Step 2: Convert to fraction form
    80,847.54/111,569.40 = 45,037.20/x
  3. Step 3: Cross multiply
    80,847.54x = 111,569.40 × 45,037.20
  4. Step 4: Simplify right side
    80,847.54x = 5,024,773,381.68
  5. Step 5: Solve for x
    x = 5,024,773,381.68/80,847.54
  6. Step 6: Final answer
    x = 62,151.22

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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.