Home / 123,719.40-185,627.70-48,826.80

Finding the Fourth Proportional to 123,719.40, 185,627.70 and 48,826.80

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Solution

The fourth proportional to 123,719.40, 185,627.70 and 48,826.80 is: 73,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,719.40 : 185,627.70 = 48,826.80 : x
  2. Step 2: Convert to fraction form
    123,719.40/185,627.70 = 48,826.80/x
  3. Step 3: Cross multiply
    123,719.40x = 185,627.70 × 48,826.80
  4. Step 4: Simplify right side
    123,719.40x = 9,063,606,582.36
  5. Step 5: Solve for x
    x = 9,063,606,582.36/123,719.40
  6. Step 6: Final answer
    x = 73,259.38

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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.