Home / 70,132.31-96,718.48-54,820.88

Finding the Fourth Proportional to 70,132.31, 96,718.48 and 54,820.88

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Solution

The fourth proportional to 70,132.31, 96,718.48 and 54,820.88 is: 75,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.31 : 96,718.48 = 54,820.88 : x
  2. Step 2: Convert to fraction form
    70,132.31/96,718.48 = 54,820.88/x
  3. Step 3: Cross multiply
    70,132.31x = 96,718.48 × 54,820.88
  4. Step 4: Simplify right side
    70,132.31x = 5,302,192,185.86
  5. Step 5: Solve for x
    x = 5,302,192,185.86/70,132.31
  6. Step 6: Final answer
    x = 75,602.70

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1.5x scale

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.