Home / 77,408.16-106,855.92-52,291.68

Finding the Fourth Proportional to 77,408.16, 106,855.92 and 52,291.68

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Solution

The fourth proportional to 77,408.16, 106,855.92 and 52,291.68 is: 72,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,408.16 : 106,855.92 = 52,291.68 : x
  2. Step 2: Convert to fraction form
    77,408.16/106,855.92 = 52,291.68/x
  3. Step 3: Cross multiply
    77,408.16x = 106,855.92 × 52,291.68
  4. Step 4: Simplify right side
    77,408.16x = 5,587,675,574.75
  5. Step 5: Solve for x
    x = 5,587,675,574.75/77,408.16
  6. Step 6: Final answer
    x = 72,184.58

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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.