Home / 70,949.14-97,918.67-40,743.90

Finding the Fourth Proportional to 70,949.14, 97,918.67 and 40,743.90

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Solution

The fourth proportional to 70,949.14, 97,918.67 and 40,743.90 is: 56,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.14 : 97,918.67 = 40,743.90 : x
  2. Step 2: Convert to fraction form
    70,949.14/97,918.67 = 40,743.90/x
  3. Step 3: Cross multiply
    70,949.14x = 97,918.67 × 40,743.90
  4. Step 4: Simplify right side
    70,949.14x = 3,989,588,498.61
  5. Step 5: Solve for x
    x = 3,989,588,498.61/70,949.14
  6. Step 6: Final answer
    x = 56,231.67

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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.