Home / 125,112.16-187,673.85-40,877.47

Finding the Fourth Proportional to 125,112.16, 187,673.85 and 40,877.47

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Solution

The fourth proportional to 125,112.16, 187,673.85 and 40,877.47 is: 61,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,112.16 : 187,673.85 = 40,877.47 : x
  2. Step 2: Convert to fraction form
    125,112.16/187,673.85 = 40,877.47/x
  3. Step 3: Cross multiply
    125,112.16x = 187,673.85 × 40,877.47
  4. Step 4: Simplify right side
    125,112.16x = 7,671,632,173.16
  5. Step 5: Solve for x
    x = 7,671,632,173.16/125,112.16
  6. Step 6: Final answer
    x = 61,318.04

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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.