Home / 88,066.64-121,529.22-49,823.30

Finding the Fourth Proportional to 88,066.64, 121,529.22 and 49,823.30

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Solution

The fourth proportional to 88,066.64, 121,529.22 and 49,823.30 is: 68,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,066.64 : 121,529.22 = 49,823.30 : x
  2. Step 2: Convert to fraction form
    88,066.64/121,529.22 = 49,823.30/x
  3. Step 3: Cross multiply
    88,066.64x = 121,529.22 × 49,823.30
  4. Step 4: Simplify right side
    88,066.64x = 6,054,986,786.83
  5. Step 5: Solve for x
    x = 6,054,986,786.83/88,066.64
  6. Step 6: Final answer
    x = 68,754.60

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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.