Home / 64,760.76-89,371.38-36,082.35

Finding the Fourth Proportional to 64,760.76, 89,371.38 and 36,082.35

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Solution

The fourth proportional to 64,760.76, 89,371.38 and 36,082.35 is: 49,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.76 : 89,371.38 = 36,082.35 : x
  2. Step 2: Convert to fraction form
    64,760.76/89,371.38 = 36,082.35/x
  3. Step 3: Cross multiply
    64,760.76x = 89,371.38 × 36,082.35
  4. Step 4: Simplify right side
    64,760.76x = 3,224,729,413.14
  5. Step 5: Solve for x
    x = 3,224,729,413.14/64,760.76
  6. Step 6: Final answer
    x = 49,794.50

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1.5x scale

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.