Home / 88,004.60-121,453.25-74,317.22

Finding the Fourth Proportional to 88,004.60, 121,453.25 and 74,317.22

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Solution

The fourth proportional to 88,004.60, 121,453.25 and 74,317.22 is: 102,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,004.60 : 121,453.25 = 74,317.22 : x
  2. Step 2: Convert to fraction form
    88,004.60/121,453.25 = 74,317.22/x
  3. Step 3: Cross multiply
    88,004.60x = 121,453.25 × 74,317.22
  4. Step 4: Simplify right side
    88,004.60x = 9,026,067,899.97
  5. Step 5: Solve for x
    x = 9,026,067,899.97/88,004.60
  6. Step 6: Final answer
    x = 102,563.59

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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.