Home / 74,842.09-112,165.92-30,417.14

Finding the Fourth Proportional to 74,842.09, 112,165.92 and 30,417.14

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Solution

The fourth proportional to 74,842.09, 112,165.92 and 30,417.14 is: 45,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,842.09 : 112,165.92 = 30,417.14 : x
  2. Step 2: Convert to fraction form
    74,842.09/112,165.92 = 30,417.14/x
  3. Step 3: Cross multiply
    74,842.09x = 112,165.92 × 30,417.14
  4. Step 4: Simplify right side
    74,842.09x = 3,411,766,491.87
  5. Step 5: Solve for x
    x = 3,411,766,491.87/74,842.09
  6. Step 6: Final answer
    x = 45,586.20

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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.