Home / 103,407.12-155,102.04-41,060.88

Finding the Fourth Proportional to 103,407.12, 155,102.04 and 41,060.88

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Solution

The fourth proportional to 103,407.12, 155,102.04 and 41,060.88 is: 61,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,407.12 : 155,102.04 = 41,060.88 : x
  2. Step 2: Convert to fraction form
    103,407.12/155,102.04 = 41,060.88/x
  3. Step 3: Cross multiply
    103,407.12x = 155,102.04 × 41,060.88
  4. Step 4: Simplify right side
    103,407.12x = 6,368,626,252.20
  5. Step 5: Solve for x
    x = 6,368,626,252.20/103,407.12
  6. Step 6: Final answer
    x = 61,587.89

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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.