Home / 88,238.39-121,770.79-47,954.76

Finding the Fourth Proportional to 88,238.39, 121,770.79 and 47,954.76

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Solution

The fourth proportional to 88,238.39, 121,770.79 and 47,954.76 is: 66,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,238.39 : 121,770.79 = 47,954.76 : x
  2. Step 2: Convert to fraction form
    88,238.39/121,770.79 = 47,954.76/x
  3. Step 3: Cross multiply
    88,238.39x = 121,770.79 × 47,954.76
  4. Step 4: Simplify right side
    88,238.39x = 5,839,489,045.16
  5. Step 5: Solve for x
    x = 5,839,489,045.16/88,238.39
  6. Step 6: Final answer
    x = 66,178.56

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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.