Home / 74,354.02-111,536.19-29,981.21

Finding the Fourth Proportional to 74,354.02, 111,536.19 and 29,981.21

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Solution

The fourth proportional to 74,354.02, 111,536.19 and 29,981.21 is: 44,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.02 : 111,536.19 = 29,981.21 : x
  2. Step 2: Convert to fraction form
    74,354.02/111,536.19 = 29,981.21/x
  3. Step 3: Cross multiply
    74,354.02x = 111,536.19 × 29,981.21
  4. Step 4: Simplify right side
    74,354.02x = 3,343,989,377.31
  5. Step 5: Solve for x
    x = 3,343,989,377.31/74,354.02
  6. Step 6: Final answer
    x = 44,973.89

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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.