Home / 109,225.66-150,695.27-63,871.51

Finding the Fourth Proportional to 109,225.66, 150,695.27 and 63,871.51

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Solution

The fourth proportional to 109,225.66, 150,695.27 and 63,871.51 is: 88,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225.66 : 150,695.27 = 63,871.51 : x
  2. Step 2: Convert to fraction form
    109,225.66/150,695.27 = 63,871.51/x
  3. Step 3: Cross multiply
    109,225.66x = 150,695.27 × 63,871.51
  4. Step 4: Simplify right side
    109,225.66x = 9,625,134,125.40
  5. Step 5: Solve for x
    x = 9,625,134,125.40/109,225.66
  6. Step 6: Final answer
    x = 88,121.55

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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.