Home / 60,235.26-90,357.93-20,792.70

Finding the Fourth Proportional to 60,235.26, 90,357.93 and 20,792.70

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Solution

The fourth proportional to 60,235.26, 90,357.93 and 20,792.70 is: 31,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,235.26 : 90,357.93 = 20,792.70 : x
  2. Step 2: Convert to fraction form
    60,235.26/90,357.93 = 20,792.70/x
  3. Step 3: Cross multiply
    60,235.26x = 90,357.93 × 20,792.70
  4. Step 4: Simplify right side
    60,235.26x = 1,878,785,331.11
  5. Step 5: Solve for x
    x = 1,878,785,331.11/60,235.26
  6. Step 6: Final answer
    x = 31,190.79

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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.