Home / 79,521.76-119,278.86-23,359.60

Finding the Fourth Proportional to 79,521.76, 119,278.86 and 23,359.60

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Solution

The fourth proportional to 79,521.76, 119,278.86 and 23,359.60 is: 35,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,521.76 : 119,278.86 = 23,359.60 : x
  2. Step 2: Convert to fraction form
    79,521.76/119,278.86 = 23,359.60/x
  3. Step 3: Cross multiply
    79,521.76x = 119,278.86 × 23,359.60
  4. Step 4: Simplify right side
    79,521.76x = 2,786,306,458.06
  5. Step 5: Solve for x
    x = 2,786,306,458.06/79,521.76
  6. Step 6: Final answer
    x = 35,038.29

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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.