Home / 109,810.20-151,536.78-62,065.56

Finding the Fourth Proportional to 109,810.20, 151,536.78 and 62,065.56

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Solution

The fourth proportional to 109,810.20, 151,536.78 and 62,065.56 is: 85,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,810.20 : 151,536.78 = 62,065.56 : x
  2. Step 2: Convert to fraction form
    109,810.20/151,536.78 = 62,065.56/x
  3. Step 3: Cross multiply
    109,810.20x = 151,536.78 × 62,065.56
  4. Step 4: Simplify right side
    109,810.20x = 9,405,215,111.30
  5. Step 5: Solve for x
    x = 9,405,215,111.30/109,810.20
  6. Step 6: Final answer
    x = 85,649.74

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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.