Home / 96,321.12-132,915.90-53,871.45

Finding the Fourth Proportional to 96,321.12, 132,915.90 and 53,871.45

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Solution

The fourth proportional to 96,321.12, 132,915.90 and 53,871.45 is: 74,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321.12 : 132,915.90 = 53,871.45 : x
  2. Step 2: Convert to fraction form
    96,321.12/132,915.90 = 53,871.45/x
  3. Step 3: Cross multiply
    96,321.12x = 132,915.90 × 53,871.45
  4. Step 4: Simplify right side
    96,321.12x = 7,160,372,261.06
  5. Step 5: Solve for x
    x = 7,160,372,261.06/96,321.12
  6. Step 6: Final answer
    x = 74,338.55

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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.