Home / 61,226.18-91,807.38-21,777.56

Finding the Fourth Proportional to 61,226.18, 91,807.38 and 21,777.56

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Solution

The fourth proportional to 61,226.18, 91,807.38 and 21,777.56 is: 32,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,226.18 : 91,807.38 = 21,777.56 : x
  2. Step 2: Convert to fraction form
    61,226.18/91,807.38 = 21,777.56/x
  3. Step 3: Cross multiply
    61,226.18x = 91,807.38 × 21,777.56
  4. Step 4: Simplify right side
    61,226.18x = 1,999,340,726.39
  5. Step 5: Solve for x
    x = 1,999,340,726.39/61,226.18
  6. Step 6: Final answer
    x = 32,655.00

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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.