Home / 83,475.69-115,194.45-45,233.61

Finding the Fourth Proportional to 83,475.69, 115,194.45 and 45,233.61

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Solution

The fourth proportional to 83,475.69, 115,194.45 and 45,233.61 is: 62,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,475.69 : 115,194.45 = 45,233.61 : x
  2. Step 2: Convert to fraction form
    83,475.69/115,194.45 = 45,233.61/x
  3. Step 3: Cross multiply
    83,475.69x = 115,194.45 × 45,233.61
  4. Step 4: Simplify right side
    83,475.69x = 5,210,660,825.46
  5. Step 5: Solve for x
    x = 5,210,660,825.46/83,475.69
  6. Step 6: Final answer
    x = 62,421.30

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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.