Home / 60,785.76-83,928.79-39,288.23

Finding the Fourth Proportional to 60,785.76, 83,928.79 and 39,288.23

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Solution

The fourth proportional to 60,785.76, 83,928.79 and 39,288.23 is: 54,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,785.76 : 83,928.79 = 39,288.23 : x
  2. Step 2: Convert to fraction form
    60,785.76/83,928.79 = 39,288.23/x
  3. Step 3: Cross multiply
    60,785.76x = 83,928.79 × 39,288.23
  4. Step 4: Simplify right side
    60,785.76x = 3,297,413,605.14
  5. Step 5: Solve for x
    x = 3,297,413,605.14/60,785.76
  6. Step 6: Final answer
    x = 54,246.48

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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.