Home / 83,637.45-125,414.64-30,327.30

Finding the Fourth Proportional to 83,637.45, 125,414.64 and 30,327.30

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Solution

The fourth proportional to 83,637.45, 125,414.64 and 30,327.30 is: 45,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,637.45 : 125,414.64 = 30,327.30 : x
  2. Step 2: Convert to fraction form
    83,637.45/125,414.64 = 30,327.30/x
  3. Step 3: Cross multiply
    83,637.45x = 125,414.64 × 30,327.30
  4. Step 4: Simplify right side
    83,637.45x = 3,803,487,411.67
  5. Step 5: Solve for x
    x = 3,803,487,411.67/83,637.45
  6. Step 6: Final answer
    x = 45,475.89

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1.5x scale

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.