Home / 53,748.32-80,216-52,348.64

Finding the Fourth Proportional to 53,748.32, 80,216 and 52,348.64

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Solution

The fourth proportional to 53,748.32, 80,216 and 52,348.64 is: 78,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.32 : 80,216 = 52,348.64 : x
  2. Step 2: Convert to fraction form
    53,748.32/80,216 = 52,348.64/x
  3. Step 3: Cross multiply
    53,748.32x = 80,216 × 52,348.64
  4. Step 4: Simplify right side
    53,748.32x = 4,199,198,506.24
  5. Step 5: Solve for x
    x = 4,199,198,506.24/53,748.32
  6. Step 6: Final answer
    x = 78,127.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.