Home / 80,686.16-111,347.40-44,879.60

Finding the Fourth Proportional to 80,686.16, 111,347.40 and 44,879.60

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Solution

The fourth proportional to 80,686.16, 111,347.40 and 44,879.60 is: 61,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.16 : 111,347.40 = 44,879.60 : x
  2. Step 2: Convert to fraction form
    80,686.16/111,347.40 = 44,879.60/x
  3. Step 3: Cross multiply
    80,686.16x = 111,347.40 × 44,879.60
  4. Step 4: Simplify right side
    80,686.16x = 4,997,226,773.04
  5. Step 5: Solve for x
    x = 4,997,226,773.04/80,686.16
  6. Step 6: Final answer
    x = 61,934.13

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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.