Home / 78,891.96-118,250.28-60,110.07

Finding the Fourth Proportional to 78,891.96, 118,250.28 and 60,110.07

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Solution

The fourth proportional to 78,891.96, 118,250.28 and 60,110.07 is: 90,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,891.96 : 118,250.28 = 60,110.07 : x
  2. Step 2: Convert to fraction form
    78,891.96/118,250.28 = 60,110.07/x
  3. Step 3: Cross multiply
    78,891.96x = 118,250.28 × 60,110.07
  4. Step 4: Simplify right side
    78,891.96x = 7,108,032,608.32
  5. Step 5: Solve for x
    x = 7,108,032,608.32/78,891.96
  6. Step 6: Final answer
    x = 90,098.31

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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.