Home / 107,080.80-147,769.29-59,333.73

Finding the Fourth Proportional to 107,080.80, 147,769.29 and 59,333.73

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Solution

The fourth proportional to 107,080.80, 147,769.29 and 59,333.73 is: 81,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,080.80 : 147,769.29 = 59,333.73 : x
  2. Step 2: Convert to fraction form
    107,080.80/147,769.29 = 59,333.73/x
  3. Step 3: Cross multiply
    107,080.80x = 147,769.29 × 59,333.73
  4. Step 4: Simplify right side
    107,080.80x = 8,767,702,601.02
  5. Step 5: Solve for x
    x = 8,767,702,601.02/107,080.80
  6. Step 6: Final answer
    x = 81,879.32

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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.