Home / 64,135.22-88,531.35-57,408.98

Finding the Fourth Proportional to 64,135.22, 88,531.35 and 57,408.98

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Solution

The fourth proportional to 64,135.22, 88,531.35 and 57,408.98 is: 79,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.22 : 88,531.35 = 57,408.98 : x
  2. Step 2: Convert to fraction form
    64,135.22/88,531.35 = 57,408.98/x
  3. Step 3: Cross multiply
    64,135.22x = 88,531.35 × 57,408.98
  4. Step 4: Simplify right side
    64,135.22x = 5,082,494,501.52
  5. Step 5: Solve for x
    x = 5,082,494,501.52/64,135.22
  6. Step 6: Final answer
    x = 79,246.54

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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.