Home / 63,408.90-87,305.12-53,828.93

Finding the Fourth Proportional to 63,408.90, 87,305.12 and 53,828.93

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Solution

The fourth proportional to 63,408.90, 87,305.12 and 53,828.93 is: 74,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,408.90 : 87,305.12 = 53,828.93 : x
  2. Step 2: Convert to fraction form
    63,408.90/87,305.12 = 53,828.93/x
  3. Step 3: Cross multiply
    63,408.90x = 87,305.12 × 53,828.93
  4. Step 4: Simplify right side
    63,408.90x = 4,699,540,947.16
  5. Step 5: Solve for x
    x = 4,699,540,947.16/63,408.90
  6. Step 6: Final answer
    x = 74,114.85

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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.