Home / 107,320.04-160,979.92-40,760.04

Finding the Fourth Proportional to 107,320.04, 160,979.92 and 40,760.04

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Solution

The fourth proportional to 107,320.04, 160,979.92 and 40,760.04 is: 61,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,320.04 : 160,979.92 = 40,760.04 : x
  2. Step 2: Convert to fraction form
    107,320.04/160,979.92 = 40,760.04/x
  3. Step 3: Cross multiply
    107,320.04x = 160,979.92 × 40,760.04
  4. Step 4: Simplify right side
    107,320.04x = 6,561,547,876.50
  5. Step 5: Solve for x
    x = 6,561,547,876.50/107,320.04
  6. Step 6: Final answer
    x = 61,140.01

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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.