Home / 83,018.24-124,526.95-38,620.52

Finding the Fourth Proportional to 83,018.24, 124,526.95 and 38,620.52

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Solution

The fourth proportional to 83,018.24, 124,526.95 and 38,620.52 is: 57,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,018.24 : 124,526.95 = 38,620.52 : x
  2. Step 2: Convert to fraction form
    83,018.24/124,526.95 = 38,620.52/x
  3. Step 3: Cross multiply
    83,018.24x = 124,526.95 × 38,620.52
  4. Step 4: Simplify right side
    83,018.24x = 4,809,295,563.01
  5. Step 5: Solve for x
    x = 4,809,295,563.01/83,018.24
  6. Step 6: Final answer
    x = 57,930.59

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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.