Home / 70,906.13-97,850.45-39,077.99

Finding the Fourth Proportional to 70,906.13, 97,850.45 and 39,077.99

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Solution

The fourth proportional to 70,906.13, 97,850.45 and 39,077.99 is: 53,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,906.13 : 97,850.45 = 39,077.99 : x
  2. Step 2: Convert to fraction form
    70,906.13/97,850.45 = 39,077.99/x
  3. Step 3: Cross multiply
    70,906.13x = 97,850.45 × 39,077.99
  4. Step 4: Simplify right side
    70,906.13x = 3,823,798,515.04
  5. Step 5: Solve for x
    x = 3,823,798,515.04/70,906.13
  6. Step 6: Final answer
    x = 53,927.62

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1.5x scale

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.