Home / 100,764.56-151,103.10-58,686.68

Finding the Fourth Proportional to 100,764.56, 151,103.10 and 58,686.68

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Solution

The fourth proportional to 100,764.56, 151,103.10 and 58,686.68 is: 88,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,764.56 : 151,103.10 = 58,686.68 : x
  2. Step 2: Convert to fraction form
    100,764.56/151,103.10 = 58,686.68/x
  3. Step 3: Cross multiply
    100,764.56x = 151,103.10 × 58,686.68
  4. Step 4: Simplify right side
    100,764.56x = 8,867,739,276.71
  5. Step 5: Solve for x
    x = 8,867,739,276.71/100,764.56
  6. Step 6: Final answer
    x = 88,004.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.