Home / 80,642.35-111,280.13-44,830.18

Finding the Fourth Proportional to 80,642.35, 111,280.13 and 44,830.18

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Solution

The fourth proportional to 80,642.35, 111,280.13 and 44,830.18 is: 61,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,642.35 : 111,280.13 = 44,830.18 : x
  2. Step 2: Convert to fraction form
    80,642.35/111,280.13 = 44,830.18/x
  3. Step 3: Cross multiply
    80,642.35x = 111,280.13 × 44,830.18
  4. Step 4: Simplify right side
    80,642.35x = 4,988,707,814.00
  5. Step 5: Solve for x
    x = 4,988,707,814.00/80,642.35
  6. Step 6: Final answer
    x = 61,862.14

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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.