Home / 88,074.57-121,529.99-49,310.40

Finding the Fourth Proportional to 88,074.57, 121,529.99 and 49,310.40

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Solution

The fourth proportional to 88,074.57, 121,529.99 and 49,310.40 is: 68,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.57 : 121,529.99 = 49,310.40 : x
  2. Step 2: Convert to fraction form
    88,074.57/121,529.99 = 49,310.40/x
  3. Step 3: Cross multiply
    88,074.57x = 121,529.99 × 49,310.40
  4. Step 4: Simplify right side
    88,074.57x = 5,992,692,172.34
  5. Step 5: Solve for x
    x = 5,992,692,172.34/88,074.57
  6. Step 6: Final answer
    x = 68,041.12

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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.