Home / 78,085.06-107,760.45-44,100.70

Finding the Fourth Proportional to 78,085.06, 107,760.45 and 44,100.70

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Solution

The fourth proportional to 78,085.06, 107,760.45 and 44,100.70 is: 60,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,085.06 : 107,760.45 = 44,100.70 : x
  2. Step 2: Convert to fraction form
    78,085.06/107,760.45 = 44,100.70/x
  3. Step 3: Cross multiply
    78,085.06x = 107,760.45 × 44,100.70
  4. Step 4: Simplify right side
    78,085.06x = 4,752,311,277.32
  5. Step 5: Solve for x
    x = 4,752,311,277.32/78,085.06
  6. Step 6: Final answer
    x = 60,860.70

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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.