Home / 107,066.24-147,751.68-59,319.20

Finding the Fourth Proportional to 107,066.24, 147,751.68 and 59,319.20

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Solution

The fourth proportional to 107,066.24, 147,751.68 and 59,319.20 is: 81,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,066.24 : 147,751.68 = 59,319.20 : x
  2. Step 2: Convert to fraction form
    107,066.24/147,751.68 = 59,319.20/x
  3. Step 3: Cross multiply
    107,066.24x = 147,751.68 × 59,319.20
  4. Step 4: Simplify right side
    107,066.24x = 8,764,511,456.26
  5. Step 5: Solve for x
    x = 8,764,511,456.26/107,066.24
  6. Step 6: Final answer
    x = 81,860.64

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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.