Home / 71,193.98-98,247.66-39,362.60

Finding the Fourth Proportional to 71,193.98, 98,247.66 and 39,362.60

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Solution

The fourth proportional to 71,193.98, 98,247.66 and 39,362.60 is: 54,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,193.98 : 98,247.66 = 39,362.60 : x
  2. Step 2: Convert to fraction form
    71,193.98/98,247.66 = 39,362.60/x
  3. Step 3: Cross multiply
    71,193.98x = 98,247.66 × 39,362.60
  4. Step 4: Simplify right side
    71,193.98x = 3,867,283,341.52
  5. Step 5: Solve for x
    x = 3,867,283,341.52/71,193.98
  6. Step 6: Final answer
    x = 54,320.37

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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.