Home / 53,828.55-80,398.31-48,755.16

Finding the Fourth Proportional to 53,828.55, 80,398.31 and 48,755.16

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Solution

The fourth proportional to 53,828.55, 80,398.31 and 48,755.16 is: 72,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.55 : 80,398.31 = 48,755.16 : x
  2. Step 2: Convert to fraction form
    53,828.55/80,398.31 = 48,755.16/x
  3. Step 3: Cross multiply
    53,828.55x = 80,398.31 × 48,755.16
  4. Step 4: Simplify right side
    53,828.55x = 3,919,832,467.78
  5. Step 5: Solve for x
    x = 3,919,832,467.78/53,828.55
  6. Step 6: Final answer
    x = 72,820.70

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1.5x scale

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.