Home / 75,930.18-113,897.10-23,340.12

Finding the Fourth Proportional to 75,930.18, 113,897.10 and 23,340.12

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Solution

The fourth proportional to 75,930.18, 113,897.10 and 23,340.12 is: 35,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,930.18 : 113,897.10 = 23,340.12 : x
  2. Step 2: Convert to fraction form
    75,930.18/113,897.10 = 23,340.12/x
  3. Step 3: Cross multiply
    75,930.18x = 113,897.10 × 23,340.12
  4. Step 4: Simplify right side
    75,930.18x = 2,658,371,981.65
  5. Step 5: Solve for x
    x = 2,658,371,981.65/75,930.18
  6. Step 6: Final answer
    x = 35,010.74

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1.5x scale

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.