Home / 51,920.52-77,632.92-40,062.12

Finding the Fourth Proportional to 51,920.52, 77,632.92 and 40,062.12

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Solution

The fourth proportional to 51,920.52, 77,632.92 and 40,062.12 is: 59,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.52 : 77,632.92 = 40,062.12 : x
  2. Step 2: Convert to fraction form
    51,920.52/77,632.92 = 40,062.12/x
  3. Step 3: Cross multiply
    51,920.52x = 77,632.92 × 40,062.12
  4. Step 4: Simplify right side
    51,920.52x = 3,110,139,356.99
  5. Step 5: Solve for x
    x = 3,110,139,356.99/51,920.52
  6. Step 6: Final answer
    x = 59,901.93

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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.