Home / 124,612.11-171,958.68-70,892.10

Finding the Fourth Proportional to 124,612.11, 171,958.68 and 70,892.10

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Solution

The fourth proportional to 124,612.11, 171,958.68 and 70,892.10 is: 97,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,612.11 : 171,958.68 = 70,892.10 : x
  2. Step 2: Convert to fraction form
    124,612.11/171,958.68 = 70,892.10/x
  3. Step 3: Cross multiply
    124,612.11x = 171,958.68 × 70,892.10
  4. Step 4: Simplify right side
    124,612.11x = 12,190,511,938.43
  5. Step 5: Solve for x
    x = 12,190,511,938.43/124,612.11
  6. Step 6: Final answer
    x = 97,827.67

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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.