Home / 74,476.27-102,779.25-40,487.04

Finding the Fourth Proportional to 74,476.27, 102,779.25 and 40,487.04

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Solution

The fourth proportional to 74,476.27, 102,779.25 and 40,487.04 is: 55,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,476.27 : 102,779.25 = 40,487.04 : x
  2. Step 2: Convert to fraction form
    74,476.27/102,779.25 = 40,487.04/x
  3. Step 3: Cross multiply
    74,476.27x = 102,779.25 × 40,487.04
  4. Step 4: Simplify right side
    74,476.27x = 4,161,227,795.70
  5. Step 5: Solve for x
    x = 4,161,227,795.70/74,476.27
  6. Step 6: Final answer
    x = 55,873.20

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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.