Home / 83,663.84-125,462.96-30,343.12

Finding the Fourth Proportional to 83,663.84, 125,462.96 and 30,343.12

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Solution

The fourth proportional to 83,663.84, 125,462.96 and 30,343.12 is: 45,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663.84 : 125,462.96 = 30,343.12 : x
  2. Step 2: Convert to fraction form
    83,663.84/125,462.96 = 30,343.12/x
  3. Step 3: Cross multiply
    83,663.84x = 125,462.96 × 30,343.12
  4. Step 4: Simplify right side
    83,663.84x = 3,806,937,650.84
  5. Step 5: Solve for x
    x = 3,806,937,650.84/83,663.84
  6. Step 6: Final answer
    x = 45,502.78

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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.