Home / 112,155.68-168,184.28-41,985.78

Finding the Fourth Proportional to 112,155.68, 168,184.28 and 41,985.78

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Solution

The fourth proportional to 112,155.68, 168,184.28 and 41,985.78 is: 62,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,155.68 : 168,184.28 = 41,985.78 : x
  2. Step 2: Convert to fraction form
    112,155.68/168,184.28 = 41,985.78/x
  3. Step 3: Cross multiply
    112,155.68x = 168,184.28 × 41,985.78
  4. Step 4: Simplify right side
    112,155.68x = 7,061,348,179.54
  5. Step 5: Solve for x
    x = 7,061,348,179.54/112,155.68
  6. Step 6: Final answer
    x = 62,960.24

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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.