Home / 112,302.54-154,837.44-71,949.96

Finding the Fourth Proportional to 112,302.54, 154,837.44 and 71,949.96

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Solution

The fourth proportional to 112,302.54, 154,837.44 and 71,949.96 is: 99,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,302.54 : 154,837.44 = 71,949.96 : x
  2. Step 2: Convert to fraction form
    112,302.54/154,837.44 = 71,949.96/x
  3. Step 3: Cross multiply
    112,302.54x = 154,837.44 × 71,949.96
  4. Step 4: Simplify right side
    112,302.54x = 11,140,547,614.50
  5. Step 5: Solve for x
    x = 11,140,547,614.50/112,302.54
  6. Step 6: Final answer
    x = 99,201.21

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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.