Home / 113,742.95-170,634.49-38,845.55

Finding the Fourth Proportional to 113,742.95, 170,634.49 and 38,845.55

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Solution

The fourth proportional to 113,742.95, 170,634.49 and 38,845.55 is: 58,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742.95 : 170,634.49 = 38,845.55 : x
  2. Step 2: Convert to fraction form
    113,742.95/170,634.49 = 38,845.55/x
  3. Step 3: Cross multiply
    113,742.95x = 170,634.49 × 38,845.55
  4. Step 4: Simplify right side
    113,742.95x = 6,628,390,942.49
  5. Step 5: Solve for x
    x = 6,628,390,942.49/113,742.95
  6. Step 6: Final answer
    x = 58,275.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.