Home / 59,391.12-88,971.36-53,081.76

Finding the Fourth Proportional to 59,391.12, 88,971.36 and 53,081.76

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Solution

The fourth proportional to 59,391.12, 88,971.36 and 53,081.76 is: 79,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,391.12 : 88,971.36 = 53,081.76 : x
  2. Step 2: Convert to fraction form
    59,391.12/88,971.36 = 53,081.76/x
  3. Step 3: Cross multiply
    59,391.12x = 88,971.36 × 53,081.76
  4. Step 4: Simplify right side
    59,391.12x = 4,722,756,378.39
  5. Step 5: Solve for x
    x = 4,722,756,378.39/59,391.12
  6. Step 6: Final answer
    x = 79,519.57

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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.