Home / 107,069.19-147,749.31-59,319.69

Finding the Fourth Proportional to 107,069.19, 147,749.31 and 59,319.69

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Solution

The fourth proportional to 107,069.19, 147,749.31 and 59,319.69 is: 81,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,069.19 : 147,749.31 = 59,319.69 : x
  2. Step 2: Convert to fraction form
    107,069.19/147,749.31 = 59,319.69/x
  3. Step 3: Cross multiply
    107,069.19x = 147,749.31 × 59,319.69
  4. Step 4: Simplify right side
    107,069.19x = 8,764,443,266.91
  5. Step 5: Solve for x
    x = 8,764,443,266.91/107,069.19
  6. Step 6: Final answer
    x = 81,857.75

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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.