Home / 74,091.24-102,248.82-40,557.24

Finding the Fourth Proportional to 74,091.24, 102,248.82 and 40,557.24

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Solution

The fourth proportional to 74,091.24, 102,248.82 and 40,557.24 is: 55,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,091.24 : 102,248.82 = 40,557.24 : x
  2. Step 2: Convert to fraction form
    74,091.24/102,248.82 = 40,557.24/x
  3. Step 3: Cross multiply
    74,091.24x = 102,248.82 × 40,557.24
  4. Step 4: Simplify right side
    74,091.24x = 4,146,929,932.46
  5. Step 5: Solve for x
    x = 4,146,929,932.46/74,091.24
  6. Step 6: Final answer
    x = 55,970.58

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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.