Home / 102,548.46-141,516.59-57,225.96

Finding the Fourth Proportional to 102,548.46, 141,516.59 and 57,225.96

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Solution

The fourth proportional to 102,548.46, 141,516.59 and 57,225.96 is: 78,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,548.46 : 141,516.59 = 57,225.96 : x
  2. Step 2: Convert to fraction form
    102,548.46/141,516.59 = 57,225.96/x
  3. Step 3: Cross multiply
    102,548.46x = 141,516.59 × 57,225.96
  4. Step 4: Simplify right side
    102,548.46x = 8,098,422,861.74
  5. Step 5: Solve for x
    x = 8,098,422,861.74/102,548.46
  6. Step 6: Final answer
    x = 78,971.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.