Home / 80,549.74-111,155.54-44,742.04

Finding the Fourth Proportional to 80,549.74, 111,155.54 and 44,742.04

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Solution

The fourth proportional to 80,549.74, 111,155.54 and 44,742.04 is: 61,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.74 : 111,155.54 = 44,742.04 : x
  2. Step 2: Convert to fraction form
    80,549.74/111,155.54 = 44,742.04/x
  3. Step 3: Cross multiply
    80,549.74x = 111,155.54 × 44,742.04
  4. Step 4: Simplify right side
    80,549.74x = 4,973,325,061.12
  5. Step 5: Solve for x
    x = 4,973,325,061.12/80,549.74
  6. Step 6: Final answer
    x = 61,742.29

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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.