Home / 107,731.28-148,666.56-59,983.64

Finding the Fourth Proportional to 107,731.28, 148,666.56 and 59,983.64

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Solution

The fourth proportional to 107,731.28, 148,666.56 and 59,983.64 is: 82,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,731.28 : 148,666.56 = 59,983.64 : x
  2. Step 2: Convert to fraction form
    107,731.28/148,666.56 = 59,983.64/x
  3. Step 3: Cross multiply
    107,731.28x = 148,666.56 × 59,983.64
  4. Step 4: Simplify right side
    107,731.28x = 8,917,561,415.08
  5. Step 5: Solve for x
    x = 8,917,561,415.08/107,731.28
  6. Step 6: Final answer
    x = 82,775.97

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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.