Home / 78,883.56-118,360.02-41,434.93

Finding the Fourth Proportional to 78,883.56, 118,360.02 and 41,434.93

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Solution

The fourth proportional to 78,883.56, 118,360.02 and 41,434.93 is: 62,170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883.56 : 118,360.02 = 41,434.93 : x
  2. Step 2: Convert to fraction form
    78,883.56/118,360.02 = 41,434.93/x
  3. Step 3: Cross multiply
    78,883.56x = 118,360.02 × 41,434.93
  4. Step 4: Simplify right side
    78,883.56x = 4,904,239,143.50
  5. Step 5: Solve for x
    x = 4,904,239,143.50/78,883.56
  6. Step 6: Final answer
    x = 62,170.61

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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.