Home / 77,930.64-107,546.76-44,398.80

Finding the Fourth Proportional to 77,930.64, 107,546.76 and 44,398.80

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Solution

The fourth proportional to 77,930.64, 107,546.76 and 44,398.80 is: 61,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,930.64 : 107,546.76 = 44,398.80 : x
  2. Step 2: Convert to fraction form
    77,930.64/107,546.76 = 44,398.80/x
  3. Step 3: Cross multiply
    77,930.64x = 107,546.76 × 44,398.80
  4. Step 4: Simplify right side
    77,930.64x = 4,774,947,087.89
  5. Step 5: Solve for x
    x = 4,774,947,087.89/77,930.64
  6. Step 6: Final answer
    x = 61,271.76

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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.