Home / 127,924.60-191,885.10-57,803.80

Finding the Fourth Proportional to 127,924.60, 191,885.10 and 57,803.80

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Solution

The fourth proportional to 127,924.60, 191,885.10 and 57,803.80 is: 86,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,924.60 : 191,885.10 = 57,803.80 : x
  2. Step 2: Convert to fraction form
    127,924.60/191,885.10 = 57,803.80/x
  3. Step 3: Cross multiply
    127,924.60x = 191,885.10 × 57,803.80
  4. Step 4: Simplify right side
    127,924.60x = 11,091,687,943.38
  5. Step 5: Solve for x
    x = 11,091,687,943.38/127,924.60
  6. Step 6: Final answer
    x = 86,704.89

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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.