Home / 71,152.27-98,190.44-38,887.54

Finding the Fourth Proportional to 71,152.27, 98,190.44 and 38,887.54

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Solution

The fourth proportional to 71,152.27, 98,190.44 and 38,887.54 is: 53,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,152.27 : 98,190.44 = 38,887.54 : x
  2. Step 2: Convert to fraction form
    71,152.27/98,190.44 = 38,887.54/x
  3. Step 3: Cross multiply
    71,152.27x = 98,190.44 × 38,887.54
  4. Step 4: Simplify right side
    71,152.27x = 3,818,385,005.81
  5. Step 5: Solve for x
    x = 3,818,385,005.81/71,152.27
  6. Step 6: Final answer
    x = 53,664.98

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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.