Home / 83,973.78-125,346.29-74,009.61

Finding the Fourth Proportional to 83,973.78, 125,346.29 and 74,009.61

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Solution

The fourth proportional to 83,973.78, 125,346.29 and 74,009.61 is: 110,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.78 : 125,346.29 = 74,009.61 : x
  2. Step 2: Convert to fraction form
    83,973.78/125,346.29 = 74,009.61/x
  3. Step 3: Cross multiply
    83,973.78x = 125,346.29 × 74,009.61
  4. Step 4: Simplify right side
    83,973.78x = 9,276,829,667.80
  5. Step 5: Solve for x
    x = 9,276,829,667.80/83,973.78
  6. Step 6: Final answer
    x = 110,472.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.