Home / 71,328.24-98,432.78-41,113.31

Finding the Fourth Proportional to 71,328.24, 98,432.78 and 41,113.31

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Solution

The fourth proportional to 71,328.24, 98,432.78 and 41,113.31 is: 56,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,328.24 : 98,432.78 = 41,113.31 : x
  2. Step 2: Convert to fraction form
    71,328.24/98,432.78 = 41,113.31/x
  3. Step 3: Cross multiply
    71,328.24x = 98,432.78 × 41,113.31
  4. Step 4: Simplify right side
    71,328.24x = 4,046,896,700.57
  5. Step 5: Solve for x
    x = 4,046,896,700.57/71,328.24
  6. Step 6: Final answer
    x = 56,736.25

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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.