Home / 92,627.45-138,982.68-42,680.81

Finding the Fourth Proportional to 92,627.45, 138,982.68 and 42,680.81

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Solution

The fourth proportional to 92,627.45, 138,982.68 and 42,680.81 is: 64,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,627.45 : 138,982.68 = 42,680.81 : x
  2. Step 2: Convert to fraction form
    92,627.45/138,982.68 = 42,680.81/x
  3. Step 3: Cross multiply
    92,627.45x = 138,982.68 × 42,680.81
  4. Step 4: Simplify right side
    92,627.45x = 5,931,892,663.46
  5. Step 5: Solve for x
    x = 5,931,892,663.46/92,627.45
  6. Step 6: Final answer
    x = 64,040.34

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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.