Home / 83,384.48-125,188.12-47,881.26

Finding the Fourth Proportional to 83,384.48, 125,188.12 and 47,881.26

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Solution

The fourth proportional to 83,384.48, 125,188.12 and 47,881.26 is: 71,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,384.48 : 125,188.12 = 47,881.26 : x
  2. Step 2: Convert to fraction form
    83,384.48/125,188.12 = 47,881.26/x
  3. Step 3: Cross multiply
    83,384.48x = 125,188.12 × 47,881.26
  4. Step 4: Simplify right side
    83,384.48x = 5,994,164,922.63
  5. Step 5: Solve for x
    x = 5,994,164,922.63/83,384.48
  6. Step 6: Final answer
    x = 71,885.86

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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.