Home / 122,493.04-183,780.56-47,615.68

Finding the Fourth Proportional to 122,493.04, 183,780.56 and 47,615.68

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Solution

The fourth proportional to 122,493.04, 183,780.56 and 47,615.68 is: 71,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493.04 : 183,780.56 = 47,615.68 : x
  2. Step 2: Convert to fraction form
    122,493.04/183,780.56 = 47,615.68/x
  3. Step 3: Cross multiply
    122,493.04x = 183,780.56 × 47,615.68
  4. Step 4: Simplify right side
    122,493.04x = 8,750,836,335.18
  5. Step 5: Solve for x
    x = 8,750,836,335.18/122,493.04
  6. Step 6: Final answer
    x = 71,439.46

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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.