Home / 80,927.39-111,679.95-45,116.69

Finding the Fourth Proportional to 80,927.39, 111,679.95 and 45,116.69

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Solution

The fourth proportional to 80,927.39, 111,679.95 and 45,116.69 is: 62,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,927.39 : 111,679.95 = 45,116.69 : x
  2. Step 2: Convert to fraction form
    80,927.39/111,679.95 = 45,116.69/x
  3. Step 3: Cross multiply
    80,927.39x = 111,679.95 × 45,116.69
  4. Step 4: Simplify right side
    80,927.39x = 5,038,629,124.97
  5. Step 5: Solve for x
    x = 5,038,629,124.97/80,927.39
  6. Step 6: Final answer
    x = 62,261.11

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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.