Home / 96,443.42-132,968.56-66,176.21

Finding the Fourth Proportional to 96,443.42, 132,968.56 and 66,176.21

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Solution

The fourth proportional to 96,443.42, 132,968.56 and 66,176.21 is: 91,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,443.42 : 132,968.56 = 66,176.21 : x
  2. Step 2: Convert to fraction form
    96,443.42/132,968.56 = 66,176.21/x
  3. Step 3: Cross multiply
    96,443.42x = 132,968.56 × 66,176.21
  4. Step 4: Simplify right side
    96,443.42x = 8,799,354,685.11
  5. Step 5: Solve for x
    x = 8,799,354,685.11/96,443.42
  6. Step 6: Final answer
    x = 91,238.52

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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.