Home / 52,408.08-78,610.10-12,964.32

Finding the Fourth Proportional to 52,408.08, 78,610.10 and 12,964.32

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Solution

The fourth proportional to 52,408.08, 78,610.10 and 12,964.32 is: 19,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.08 : 78,610.10 = 12,964.32 : x
  2. Step 2: Convert to fraction form
    52,408.08/78,610.10 = 12,964.32/x
  3. Step 3: Cross multiply
    52,408.08x = 78,610.10 × 12,964.32
  4. Step 4: Simplify right side
    52,408.08x = 1,019,126,426.81
  5. Step 5: Solve for x
    x = 1,019,126,426.81/52,408.08
  6. Step 6: Final answer
    x = 19,445.98

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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.