Home / 83,407.32-115,110.33-47,602.68

Finding the Fourth Proportional to 83,407.32, 115,110.33 and 47,602.68

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Solution

The fourth proportional to 83,407.32, 115,110.33 and 47,602.68 is: 65,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,407.32 : 115,110.33 = 47,602.68 : x
  2. Step 2: Convert to fraction form
    83,407.32/115,110.33 = 47,602.68/x
  3. Step 3: Cross multiply
    83,407.32x = 115,110.33 × 47,602.68
  4. Step 4: Simplify right side
    83,407.32x = 5,479,560,203.68
  5. Step 5: Solve for x
    x = 5,479,560,203.68/83,407.32
  6. Step 6: Final answer
    x = 65,696.39

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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.