Home / 97,261.78-145,851.34-38,088.04

Finding the Fourth Proportional to 97,261.78, 145,851.34 and 38,088.04

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Solution

The fourth proportional to 97,261.78, 145,851.34 and 38,088.04 is: 57,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,261.78 : 145,851.34 = 38,088.04 : x
  2. Step 2: Convert to fraction form
    97,261.78/145,851.34 = 38,088.04/x
  3. Step 3: Cross multiply
    97,261.78x = 145,851.34 × 38,088.04
  4. Step 4: Simplify right side
    97,261.78x = 5,555,191,671.97
  5. Step 5: Solve for x
    x = 5,555,191,671.97/97,261.78
  6. Step 6: Final answer
    x = 57,115.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.