Home / 83,274.40-124,969.20-59,917.60

Finding the Fourth Proportional to 83,274.40, 124,969.20 and 59,917.60

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Solution

The fourth proportional to 83,274.40, 124,969.20 and 59,917.60 is: 89,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,274.40 : 124,969.20 = 59,917.60 : x
  2. Step 2: Convert to fraction form
    83,274.40/124,969.20 = 59,917.60/x
  3. Step 3: Cross multiply
    83,274.40x = 124,969.20 × 59,917.60
  4. Step 4: Simplify right side
    83,274.40x = 7,487,854,537.92
  5. Step 5: Solve for x
    x = 7,487,854,537.92/83,274.40
  6. Step 6: Final answer
    x = 89,917.84

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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.