Home / 68,301.19-102,427.18-28,861.38

Finding the Fourth Proportional to 68,301.19, 102,427.18 and 28,861.38

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Solution

The fourth proportional to 68,301.19, 102,427.18 and 28,861.38 is: 43,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,301.19 : 102,427.18 = 28,861.38 : x
  2. Step 2: Convert to fraction form
    68,301.19/102,427.18 = 28,861.38/x
  3. Step 3: Cross multiply
    68,301.19x = 102,427.18 × 28,861.38
  4. Step 4: Simplify right side
    68,301.19x = 2,956,189,854.50
  5. Step 5: Solve for x
    x = 2,956,189,854.50/68,301.19
  6. Step 6: Final answer
    x = 43,281.67

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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.