Home / 70,742.39-106,111.35-26,369.57

Finding the Fourth Proportional to 70,742.39, 106,111.35 and 26,369.57

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Solution

The fourth proportional to 70,742.39, 106,111.35 and 26,369.57 is: 39,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,742.39 : 106,111.35 = 26,369.57 : x
  2. Step 2: Convert to fraction form
    70,742.39/106,111.35 = 26,369.57/x
  3. Step 3: Cross multiply
    70,742.39x = 106,111.35 × 26,369.57
  4. Step 4: Simplify right side
    70,742.39x = 2,798,110,936.90
  5. Step 5: Solve for x
    x = 2,798,110,936.90/70,742.39
  6. Step 6: Final answer
    x = 39,553.53

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1.5x scale

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.