Home / 71,028.31-98,015.98-38,762.11

Finding the Fourth Proportional to 71,028.31, 98,015.98 and 38,762.11

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Solution

The fourth proportional to 71,028.31, 98,015.98 and 38,762.11 is: 53,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.31 : 98,015.98 = 38,762.11 : x
  2. Step 2: Convert to fraction form
    71,028.31/98,015.98 = 38,762.11/x
  3. Step 3: Cross multiply
    71,028.31x = 98,015.98 × 38,762.11
  4. Step 4: Simplify right side
    71,028.31x = 3,799,306,198.52
  5. Step 5: Solve for x
    x = 3,799,306,198.52/71,028.31
  6. Step 6: Final answer
    x = 53,490.03

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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.