Home / 107,065.76-147,746.40-59,321.12

Finding the Fourth Proportional to 107,065.76, 147,746.40 and 59,321.12

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Solution

The fourth proportional to 107,065.76, 147,746.40 and 59,321.12 is: 81,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.76 : 147,746.40 = 59,321.12 : x
  2. Step 2: Convert to fraction form
    107,065.76/147,746.40 = 59,321.12/x
  3. Step 3: Cross multiply
    107,065.76x = 147,746.40 × 59,321.12
  4. Step 4: Simplify right side
    107,065.76x = 8,764,481,923.97
  5. Step 5: Solve for x
    x = 8,764,481,923.97/107,065.76
  6. Step 6: Final answer
    x = 81,860.74

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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.