Home / 61,197.78-91,777.23-19,635.06

Finding the Fourth Proportional to 61,197.78, 91,777.23 and 19,635.06

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Solution

The fourth proportional to 61,197.78, 91,777.23 and 19,635.06 is: 29,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,197.78 : 91,777.23 = 19,635.06 : x
  2. Step 2: Convert to fraction form
    61,197.78/91,777.23 = 19,635.06/x
  3. Step 3: Cross multiply
    61,197.78x = 91,777.23 × 19,635.06
  4. Step 4: Simplify right side
    61,197.78x = 1,802,051,417.68
  5. Step 5: Solve for x
    x = 1,802,051,417.68/61,197.78
  6. Step 6: Final answer
    x = 29,446.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.