Home / 78,885.56-118,363.02-41,436.93

Finding the Fourth Proportional to 78,885.56, 118,363.02 and 41,436.93

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Solution

The fourth proportional to 78,885.56, 118,363.02 and 41,436.93 is: 62,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,885.56 : 118,363.02 = 41,436.93 : x
  2. Step 2: Convert to fraction form
    78,885.56/118,363.02 = 41,436.93/x
  3. Step 3: Cross multiply
    78,885.56x = 118,363.02 × 41,436.93
  4. Step 4: Simplify right side
    78,885.56x = 4,904,600,174.33
  5. Step 5: Solve for x
    x = 4,904,600,174.33/78,885.56
  6. Step 6: Final answer
    x = 62,173.61

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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.