Home / 107,879.22-148,867.14-60,130.92

Finding the Fourth Proportional to 107,879.22, 148,867.14 and 60,130.92

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Solution

The fourth proportional to 107,879.22, 148,867.14 and 60,130.92 is: 82,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,879.22 : 148,867.14 = 60,130.92 : x
  2. Step 2: Convert to fraction form
    107,879.22/148,867.14 = 60,130.92/x
  3. Step 3: Cross multiply
    107,879.22x = 148,867.14 × 60,130.92
  4. Step 4: Simplify right side
    107,879.22x = 8,951,518,085.97
  5. Step 5: Solve for x
    x = 8,951,518,085.97/107,879.22
  6. Step 6: Final answer
    x = 82,977.22

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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.