Home / 59,729.13-89,601.62-45,715.77

Finding the Fourth Proportional to 59,729.13, 89,601.62 and 45,715.77

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Solution

The fourth proportional to 59,729.13, 89,601.62 and 45,715.77 is: 68,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,729.13 : 89,601.62 = 45,715.77 : x
  2. Step 2: Convert to fraction form
    59,729.13/89,601.62 = 45,715.77/x
  3. Step 3: Cross multiply
    59,729.13x = 89,601.62 × 45,715.77
  4. Step 4: Simplify right side
    59,729.13x = 4,096,206,822.97
  5. Step 5: Solve for x
    x = 4,096,206,822.97/59,729.13
  6. Step 6: Final answer
    x = 68,579.72

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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.