Home / 74,719.61-112,057.54-61,539.29

Finding the Fourth Proportional to 74,719.61, 112,057.54 and 61,539.29

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Solution

The fourth proportional to 74,719.61, 112,057.54 and 61,539.29 is: 92,290.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,719.61 : 112,057.54 = 61,539.29 : x
  2. Step 2: Convert to fraction form
    74,719.61/112,057.54 = 61,539.29/x
  3. Step 3: Cross multiply
    74,719.61x = 112,057.54 × 61,539.29
  4. Step 4: Simplify right side
    74,719.61x = 6,895,940,736.61
  5. Step 5: Solve for x
    x = 6,895,940,736.61/74,719.61
  6. Step 6: Final answer
    x = 92,290.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.