Home / 83,703.49-115,517.28-47,904.73

Finding the Fourth Proportional to 83,703.49, 115,517.28 and 47,904.73

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Solution

The fourth proportional to 83,703.49, 115,517.28 and 47,904.73 is: 66,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,703.49 : 115,517.28 = 47,904.73 : x
  2. Step 2: Convert to fraction form
    83,703.49/115,517.28 = 47,904.73/x
  3. Step 3: Cross multiply
    83,703.49x = 115,517.28 × 47,904.73
  4. Step 4: Simplify right side
    83,703.49x = 5,533,824,108.73
  5. Step 5: Solve for x
    x = 5,533,824,108.73/83,703.49
  6. Step 6: Final answer
    x = 66,112.23

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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.