Home / 74,408.22-102,682.26-40,417.17

Finding the Fourth Proportional to 74,408.22, 102,682.26 and 40,417.17

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Solution

The fourth proportional to 74,408.22, 102,682.26 and 40,417.17 is: 55,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,408.22 : 102,682.26 = 40,417.17 : x
  2. Step 2: Convert to fraction form
    74,408.22/102,682.26 = 40,417.17/x
  3. Step 3: Cross multiply
    74,408.22x = 102,682.26 × 40,417.17
  4. Step 4: Simplify right side
    74,408.22x = 4,150,126,358.40
  5. Step 5: Solve for x
    x = 4,150,126,358.40/74,408.22
  6. Step 6: Final answer
    x = 55,775.11

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1.5x scale

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.