Home / 107,219.80-147,966.78-59,477.68

Finding the Fourth Proportional to 107,219.80, 147,966.78 and 59,477.68

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Solution

The fourth proportional to 107,219.80, 147,966.78 and 59,477.68 is: 82,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,219.80 : 147,966.78 = 59,477.68 : x
  2. Step 2: Convert to fraction form
    107,219.80/147,966.78 = 59,477.68/x
  3. Step 3: Cross multiply
    107,219.80x = 147,966.78 × 59,477.68
  4. Step 4: Simplify right side
    107,219.80x = 8,800,720,791.47
  5. Step 5: Solve for x
    x = 8,800,720,791.47/107,219.80
  6. Step 6: Final answer
    x = 82,081.12

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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.