Home / 56,938.90-85,408.35-54,217.30

Finding the Fourth Proportional to 56,938.90, 85,408.35 and 54,217.30

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Solution

The fourth proportional to 56,938.90, 85,408.35 and 54,217.30 is: 81,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.90 : 85,408.35 = 54,217.30 : x
  2. Step 2: Convert to fraction form
    56,938.90/85,408.35 = 54,217.30/x
  3. Step 3: Cross multiply
    56,938.90x = 85,408.35 × 54,217.30
  4. Step 4: Simplify right side
    56,938.90x = 4,630,610,134.46
  5. Step 5: Solve for x
    x = 4,630,610,134.46/56,938.90
  6. Step 6: Final answer
    x = 81,325.95

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1.5x scale

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.