Home / 97,700.22-134,886.78-74,995.74

Finding the Fourth Proportional to 97,700.22, 134,886.78 and 74,995.74

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Solution

The fourth proportional to 97,700.22, 134,886.78 and 74,995.74 is: 103,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,700.22 : 134,886.78 = 74,995.74 : x
  2. Step 2: Convert to fraction form
    97,700.22/134,886.78 = 74,995.74/x
  3. Step 3: Cross multiply
    97,700.22x = 134,886.78 × 74,995.74
  4. Step 4: Simplify right side
    97,700.22x = 10,115,933,882.32
  5. Step 5: Solve for x
    x = 10,115,933,882.32/97,700.22
  6. Step 6: Final answer
    x = 103,540.54

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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.