Home / 88,110.75-121,537.51-52,275.39

Finding the Fourth Proportional to 88,110.75, 121,537.51 and 52,275.39

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Solution

The fourth proportional to 88,110.75, 121,537.51 and 52,275.39 is: 72,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,110.75 : 121,537.51 = 52,275.39 : x
  2. Step 2: Convert to fraction form
    88,110.75/121,537.51 = 52,275.39/x
  3. Step 3: Cross multiply
    88,110.75x = 121,537.51 × 52,275.39
  4. Step 4: Simplify right side
    88,110.75x = 6,353,420,734.88
  5. Step 5: Solve for x
    x = 6,353,420,734.88/88,110.75
  6. Step 6: Final answer
    x = 72,107.21

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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.