Home / 111,875.05-167,760.55-40,748.17

Finding the Fourth Proportional to 111,875.05, 167,760.55 and 40,748.17

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Solution

The fourth proportional to 111,875.05, 167,760.55 and 40,748.17 is: 61,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,875.05 : 167,760.55 = 40,748.17 : x
  2. Step 2: Convert to fraction form
    111,875.05/167,760.55 = 40,748.17/x
  3. Step 3: Cross multiply
    111,875.05x = 167,760.55 × 40,748.17
  4. Step 4: Simplify right side
    111,875.05x = 6,835,935,206.95
  5. Step 5: Solve for x
    x = 6,835,935,206.95/111,875.05
  6. Step 6: Final answer
    x = 61,103.30

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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.