Home / 71,192.40-98,247.54-39,363.34

Finding the Fourth Proportional to 71,192.40, 98,247.54 and 39,363.34

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Solution

The fourth proportional to 71,192.40, 98,247.54 and 39,363.34 is: 54,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,192.40 : 98,247.54 = 39,363.34 : x
  2. Step 2: Convert to fraction form
    71,192.40/98,247.54 = 39,363.34/x
  3. Step 3: Cross multiply
    71,192.40x = 98,247.54 × 39,363.34
  4. Step 4: Simplify right side
    71,192.40x = 3,867,351,321.18
  5. Step 5: Solve for x
    x = 3,867,351,321.18/71,192.40
  6. Step 6: Final answer
    x = 54,322.53

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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.