Home / 80,686.86-111,345.35-44,388.14

Finding the Fourth Proportional to 80,686.86, 111,345.35 and 44,388.14

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Solution

The fourth proportional to 80,686.86, 111,345.35 and 44,388.14 is: 61,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.86 : 111,345.35 = 44,388.14 : x
  2. Step 2: Convert to fraction form
    80,686.86/111,345.35 = 44,388.14/x
  3. Step 3: Cross multiply
    80,686.86x = 111,345.35 × 44,388.14
  4. Step 4: Simplify right side
    80,686.86x = 4,942,412,205.48
  5. Step 5: Solve for x
    x = 4,942,412,205.48/80,686.86
  6. Step 6: Final answer
    x = 61,254.24

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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.