Home / 88,229.15-121,756.37-47,943.39

Finding the Fourth Proportional to 88,229.15, 121,756.37 and 47,943.39

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Solution

The fourth proportional to 88,229.15, 121,756.37 and 47,943.39 is: 66,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,229.15 : 121,756.37 = 47,943.39 : x
  2. Step 2: Convert to fraction form
    88,229.15/121,756.37 = 47,943.39/x
  3. Step 3: Cross multiply
    88,229.15x = 121,756.37 × 47,943.39
  4. Step 4: Simplify right side
    88,229.15x = 5,837,412,892.18
  5. Step 5: Solve for x
    x = 5,837,412,892.18/88,229.15
  6. Step 6: Final answer
    x = 66,161.96

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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.