Home / 70,227.09-96,914.33-38,395.92

Finding the Fourth Proportional to 70,227.09, 96,914.33 and 38,395.92

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Solution

The fourth proportional to 70,227.09, 96,914.33 and 38,395.92 is: 52,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227.09 : 96,914.33 = 38,395.92 : x
  2. Step 2: Convert to fraction form
    70,227.09/96,914.33 = 38,395.92/x
  3. Step 3: Cross multiply
    70,227.09x = 96,914.33 × 38,395.92
  4. Step 4: Simplify right side
    70,227.09x = 3,721,114,861.53
  5. Step 5: Solve for x
    x = 3,721,114,861.53/70,227.09
  6. Step 6: Final answer
    x = 52,986.89

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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.