Home / 78,939.93-118,307.82-59,062.53

Finding the Fourth Proportional to 78,939.93, 118,307.82 and 59,062.53

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Solution

The fourth proportional to 78,939.93, 118,307.82 and 59,062.53 is: 88,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,939.93 : 118,307.82 = 59,062.53 : x
  2. Step 2: Convert to fraction form
    78,939.93/118,307.82 = 59,062.53/x
  3. Step 3: Cross multiply
    78,939.93x = 118,307.82 × 59,062.53
  4. Step 4: Simplify right side
    78,939.93x = 6,987,559,167.98
  5. Step 5: Solve for x
    x = 6,987,559,167.98/78,939.93
  6. Step 6: Final answer
    x = 88,517.42

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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.