Home / 83,632.82-125,416.52-30,312.14

Finding the Fourth Proportional to 83,632.82, 125,416.52 and 30,312.14

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Solution

The fourth proportional to 83,632.82, 125,416.52 and 30,312.14 is: 45,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,632.82 : 125,416.52 = 30,312.14 : x
  2. Step 2: Convert to fraction form
    83,632.82/125,416.52 = 30,312.14/x
  3. Step 3: Cross multiply
    83,632.82x = 125,416.52 × 30,312.14
  4. Step 4: Simplify right side
    83,632.82x = 3,801,642,960.99
  5. Step 5: Solve for x
    x = 3,801,642,960.99/83,632.82
  6. Step 6: Final answer
    x = 45,456.35

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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.