Home / 70,299.21-97,012.91-38,468.12

Finding the Fourth Proportional to 70,299.21, 97,012.91 and 38,468.12

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Solution

The fourth proportional to 70,299.21, 97,012.91 and 38,468.12 is: 53,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,299.21 : 97,012.91 = 38,468.12 : x
  2. Step 2: Convert to fraction form
    70,299.21/97,012.91 = 38,468.12/x
  3. Step 3: Cross multiply
    70,299.21x = 97,012.91 × 38,468.12
  4. Step 4: Simplify right side
    70,299.21x = 3,731,903,874.53
  5. Step 5: Solve for x
    x = 3,731,903,874.53/70,299.21
  6. Step 6: Final answer
    x = 53,086.00

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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.