Home / 83,880.09-125,838.36-48,364.43

Finding the Fourth Proportional to 83,880.09, 125,838.36 and 48,364.43

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Solution

The fourth proportional to 83,880.09, 125,838.36 and 48,364.43 is: 72,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880.09 : 125,838.36 = 48,364.43 : x
  2. Step 2: Convert to fraction form
    83,880.09/125,838.36 = 48,364.43/x
  3. Step 3: Cross multiply
    83,880.09x = 125,838.36 × 48,364.43
  4. Step 4: Simplify right side
    83,880.09x = 6,086,099,924.34
  5. Step 5: Solve for x
    x = 6,086,099,924.34/83,880.09
  6. Step 6: Final answer
    x = 72,557.15

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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.