Home / 96,531.96-133,213.98-54,090.78

Finding the Fourth Proportional to 96,531.96, 133,213.98 and 54,090.78

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Solution

The fourth proportional to 96,531.96, 133,213.98 and 54,090.78 is: 74,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,531.96 : 133,213.98 = 54,090.78 : x
  2. Step 2: Convert to fraction form
    96,531.96/133,213.98 = 54,090.78/x
  3. Step 3: Cross multiply
    96,531.96x = 133,213.98 × 54,090.78
  4. Step 4: Simplify right side
    96,531.96x = 7,205,648,085.10
  5. Step 5: Solve for x
    x = 7,205,648,085.10/96,531.96
  6. Step 6: Final answer
    x = 74,645.21

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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.