Home / 77,930.73-107,537.94-43,947.63

Finding the Fourth Proportional to 77,930.73, 107,537.94 and 43,947.63

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Solution

The fourth proportional to 77,930.73, 107,537.94 and 43,947.63 is: 60,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,930.73 : 107,537.94 = 43,947.63 : x
  2. Step 2: Convert to fraction form
    77,930.73/107,537.94 = 43,947.63/x
  3. Step 3: Cross multiply
    77,930.73x = 107,537.94 × 43,947.63
  4. Step 4: Simplify right side
    77,930.73x = 4,726,037,598.08
  5. Step 5: Solve for x
    x = 4,726,037,598.08/77,930.73
  6. Step 6: Final answer
    x = 60,644.08

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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.