Home / 102,877.66-141,975.21-60,435.82

Finding the Fourth Proportional to 102,877.66, 141,975.21 and 60,435.82

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Solution

The fourth proportional to 102,877.66, 141,975.21 and 60,435.82 is: 83,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,877.66 : 141,975.21 = 60,435.82 : x
  2. Step 2: Convert to fraction form
    102,877.66/141,975.21 = 60,435.82/x
  3. Step 3: Cross multiply
    102,877.66x = 141,975.21 × 60,435.82
  4. Step 4: Simplify right side
    102,877.66x = 8,580,388,236.02
  5. Step 5: Solve for x
    x = 8,580,388,236.02/102,877.66
  6. Step 6: Final answer
    x = 83,403.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.