Home / 112,003.90-168,082.65-49,719.10

Finding the Fourth Proportional to 112,003.90, 168,082.65 and 49,719.10

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Solution

The fourth proportional to 112,003.90, 168,082.65 and 49,719.10 is: 74,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,003.90 : 168,082.65 = 49,719.10 : x
  2. Step 2: Convert to fraction form
    112,003.90/168,082.65 = 49,719.10/x
  3. Step 3: Cross multiply
    112,003.90x = 168,082.65 × 49,719.10
  4. Step 4: Simplify right side
    112,003.90x = 8,356,918,083.62
  5. Step 5: Solve for x
    x = 8,356,918,083.62/112,003.90
  6. Step 6: Final answer
    x = 74,612.74

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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.