Home / 45,770.50-68,466.18-42,971.14

Finding the Fourth Proportional to 45,770.50, 68,466.18 and 42,971.14

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Solution

The fourth proportional to 45,770.50, 68,466.18 and 42,971.14 is: 64,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.50 : 68,466.18 = 42,971.14 : x
  2. Step 2: Convert to fraction form
    45,770.50/68,466.18 = 42,971.14/x
  3. Step 3: Cross multiply
    45,770.50x = 68,466.18 × 42,971.14
  4. Step 4: Simplify right side
    45,770.50x = 2,942,069,806.05
  5. Step 5: Solve for x
    x = 2,942,069,806.05/45,770.50
  6. Step 6: Final answer
    x = 64,278.73

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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.