Home / 96,982.16-133,759.48-66,373.40

Finding the Fourth Proportional to 96,982.16, 133,759.48 and 66,373.40

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Solution

The fourth proportional to 96,982.16, 133,759.48 and 66,373.40 is: 91,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,982.16 : 133,759.48 = 66,373.40 : x
  2. Step 2: Convert to fraction form
    96,982.16/133,759.48 = 66,373.40/x
  3. Step 3: Cross multiply
    96,982.16x = 133,759.48 × 66,373.40
  4. Step 4: Simplify right side
    96,982.16x = 8,878,070,635.10
  5. Step 5: Solve for x
    x = 8,878,070,635.10/96,982.16
  6. Step 6: Final answer
    x = 91,543.34

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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.