Home / 97,850.38-134,987.16-66,029.54

Finding the Fourth Proportional to 97,850.38, 134,987.16 and 66,029.54

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Solution

The fourth proportional to 97,850.38, 134,987.16 and 66,029.54 is: 91,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,850.38 : 134,987.16 = 66,029.54 : x
  2. Step 2: Convert to fraction form
    97,850.38/134,987.16 = 66,029.54/x
  3. Step 3: Cross multiply
    97,850.38x = 134,987.16 × 66,029.54
  4. Step 4: Simplify right side
    97,850.38x = 8,913,140,080.71
  5. Step 5: Solve for x
    x = 8,913,140,080.71/97,850.38
  6. Step 6: Final answer
    x = 91,089.48

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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.