Home / 89,652.81-134,440.33-30,472.59

Finding the Fourth Proportional to 89,652.81, 134,440.33 and 30,472.59

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Solution

The fourth proportional to 89,652.81, 134,440.33 and 30,472.59 is: 45,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,652.81 : 134,440.33 = 30,472.59 : x
  2. Step 2: Convert to fraction form
    89,652.81/134,440.33 = 30,472.59/x
  3. Step 3: Cross multiply
    89,652.81x = 134,440.33 × 30,472.59
  4. Step 4: Simplify right side
    89,652.81x = 4,096,745,055.55
  5. Step 5: Solve for x
    x = 4,096,745,055.55/89,652.81
  6. Step 6: Final answer
    x = 45,695.67

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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.