Home / 78,313.84-117,520.18-33,335.13

Finding the Fourth Proportional to 78,313.84, 117,520.18 and 33,335.13

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Solution

The fourth proportional to 78,313.84, 117,520.18 and 33,335.13 is: 50,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,313.84 : 117,520.18 = 33,335.13 : x
  2. Step 2: Convert to fraction form
    78,313.84/117,520.18 = 33,335.13/x
  3. Step 3: Cross multiply
    78,313.84x = 117,520.18 × 33,335.13
  4. Step 4: Simplify right side
    78,313.84x = 3,917,550,397.80
  5. Step 5: Solve for x
    x = 3,917,550,397.80/78,313.84
  6. Step 6: Final answer
    x = 50,023.73

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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.