Home / 53,680.32-74,113.92-34,871.04

Finding the Fourth Proportional to 53,680.32, 74,113.92 and 34,871.04

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Solution

The fourth proportional to 53,680.32, 74,113.92 and 34,871.04 is: 48,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.32 : 74,113.92 = 34,871.04 : x
  2. Step 2: Convert to fraction form
    53,680.32/74,113.92 = 34,871.04/x
  3. Step 3: Cross multiply
    53,680.32x = 74,113.92 × 34,871.04
  4. Step 4: Simplify right side
    53,680.32x = 2,584,429,468.88
  5. Step 5: Solve for x
    x = 2,584,429,468.88/53,680.32
  6. Step 6: Final answer
    x = 48,144.82

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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.