Home / 89,610.82-134,381.67-30,432.58

Finding the Fourth Proportional to 89,610.82, 134,381.67 and 30,432.58

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Solution

The fourth proportional to 89,610.82, 134,381.67 and 30,432.58 is: 45,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.82 : 134,381.67 = 30,432.58 : x
  2. Step 2: Convert to fraction form
    89,610.82/134,381.67 = 30,432.58/x
  3. Step 3: Cross multiply
    89,610.82x = 134,381.67 × 30,432.58
  4. Step 4: Simplify right side
    89,610.82x = 4,089,580,922.81
  5. Step 5: Solve for x
    x = 4,089,580,922.81/89,610.82
  6. Step 6: Final answer
    x = 45,637.13

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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.