Home / 72,267.92-99,717.83-45,391.28

Finding the Fourth Proportional to 72,267.92, 99,717.83 and 45,391.28

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Solution

The fourth proportional to 72,267.92, 99,717.83 and 45,391.28 is: 62,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,267.92 : 99,717.83 = 45,391.28 : x
  2. Step 2: Convert to fraction form
    72,267.92/99,717.83 = 45,391.28/x
  3. Step 3: Cross multiply
    72,267.92x = 99,717.83 × 45,391.28
  4. Step 4: Simplify right side
    72,267.92x = 4,526,320,135.08
  5. Step 5: Solve for x
    x = 4,526,320,135.08/72,267.92
  6. Step 6: Final answer
    x = 62,632.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.