Home / 88,170.08-121,674.31-47,883.51

Finding the Fourth Proportional to 88,170.08, 121,674.31 and 47,883.51

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Solution

The fourth proportional to 88,170.08, 121,674.31 and 47,883.51 is: 66,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.08 : 121,674.31 = 47,883.51 : x
  2. Step 2: Convert to fraction form
    88,170.08/121,674.31 = 47,883.51/x
  3. Step 3: Cross multiply
    88,170.08x = 121,674.31 × 47,883.51
  4. Step 4: Simplify right side
    88,170.08x = 5,826,192,919.92
  5. Step 5: Solve for x
    x = 5,826,192,919.92/88,170.08
  6. Step 6: Final answer
    x = 66,079.03

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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.