Home / 76,917.52-106,147.56-45,109.36

Finding the Fourth Proportional to 76,917.52, 106,147.56 and 45,109.36

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Solution

The fourth proportional to 76,917.52, 106,147.56 and 45,109.36 is: 62,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,917.52 : 106,147.56 = 45,109.36 : x
  2. Step 2: Convert to fraction form
    76,917.52/106,147.56 = 45,109.36/x
  3. Step 3: Cross multiply
    76,917.52x = 106,147.56 × 45,109.36
  4. Step 4: Simplify right side
    76,917.52x = 4,788,248,497.16
  5. Step 5: Solve for x
    x = 4,788,248,497.16/76,917.52
  6. Step 6: Final answer
    x = 62,251.73

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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.