Home / 70,266.40-105,408.48-32,306.56

Finding the Fourth Proportional to 70,266.40, 105,408.48 and 32,306.56

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Solution

The fourth proportional to 70,266.40, 105,408.48 and 32,306.56 is: 48,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,266.40 : 105,408.48 = 32,306.56 : x
  2. Step 2: Convert to fraction form
    70,266.40/105,408.48 = 32,306.56/x
  3. Step 3: Cross multiply
    70,266.40x = 105,408.48 × 32,306.56
  4. Step 4: Simplify right side
    70,266.40x = 3,405,385,383.63
  5. Step 5: Solve for x
    x = 3,405,385,383.63/70,266.40
  6. Step 6: Final answer
    x = 48,463.92

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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.