Home / 60,876.36-91,306.03-20,894.72

Finding the Fourth Proportional to 60,876.36, 91,306.03 and 20,894.72

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Solution

The fourth proportional to 60,876.36, 91,306.03 and 20,894.72 is: 31,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,876.36 : 91,306.03 = 20,894.72 : x
  2. Step 2: Convert to fraction form
    60,876.36/91,306.03 = 20,894.72/x
  3. Step 3: Cross multiply
    60,876.36x = 91,306.03 × 20,894.72
  4. Step 4: Simplify right side
    60,876.36x = 1,907,813,931.16
  5. Step 5: Solve for x
    x = 1,907,813,931.16/60,876.36
  6. Step 6: Final answer
    x = 31,339.16

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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.