Home / 69,204.51-95,502.56-38,990.31

Finding the Fourth Proportional to 69,204.51, 95,502.56 and 38,990.31

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Solution

The fourth proportional to 69,204.51, 95,502.56 and 38,990.31 is: 53,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,204.51 : 95,502.56 = 38,990.31 : x
  2. Step 2: Convert to fraction form
    69,204.51/95,502.56 = 38,990.31/x
  3. Step 3: Cross multiply
    69,204.51x = 95,502.56 × 38,990.31
  4. Step 4: Simplify right side
    69,204.51x = 3,723,674,225.24
  5. Step 5: Solve for x
    x = 3,723,674,225.24/69,204.51
  6. Step 6: Final answer
    x = 53,806.81

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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.