Home / 125,092.16-187,679.76-40,855.08

Finding the Fourth Proportional to 125,092.16, 187,679.76 and 40,855.08

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Solution

The fourth proportional to 125,092.16, 187,679.76 and 40,855.08 is: 61,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092.16 : 187,679.76 = 40,855.08 : x
  2. Step 2: Convert to fraction form
    125,092.16/187,679.76 = 40,855.08/x
  3. Step 3: Cross multiply
    125,092.16x = 187,679.76 × 40,855.08
  4. Step 4: Simplify right side
    125,092.16x = 7,667,671,609.18
  5. Step 5: Solve for x
    x = 7,667,671,609.18/125,092.16
  6. Step 6: Final answer
    x = 61,296.18

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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.