Home / 74,971.62-112,457.52-22,418.10

Finding the Fourth Proportional to 74,971.62, 112,457.52 and 22,418.10

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Solution

The fourth proportional to 74,971.62, 112,457.52 and 22,418.10 is: 33,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,971.62 : 112,457.52 = 22,418.10 : x
  2. Step 2: Convert to fraction form
    74,971.62/112,457.52 = 22,418.10/x
  3. Step 3: Cross multiply
    74,971.62x = 112,457.52 × 22,418.10
  4. Step 4: Simplify right side
    74,971.62x = 2,521,083,929.11
  5. Step 5: Solve for x
    x = 2,521,083,929.11/74,971.62
  6. Step 6: Final answer
    x = 33,627.18

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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.