Home / 88,016.25-121,453.49-54,026.16

Finding the Fourth Proportional to 88,016.25, 121,453.49 and 54,026.16

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Solution

The fourth proportional to 88,016.25, 121,453.49 and 54,026.16 is: 74,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.25 : 121,453.49 = 54,026.16 : x
  2. Step 2: Convert to fraction form
    88,016.25/121,453.49 = 54,026.16/x
  3. Step 3: Cross multiply
    88,016.25x = 121,453.49 × 54,026.16
  4. Step 4: Simplify right side
    88,016.25x = 6,561,666,159.75
  5. Step 5: Solve for x
    x = 6,561,666,159.75/88,016.25
  6. Step 6: Final answer
    x = 74,550.63

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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.