Home / 60,774.44-91,161.12-21,322.32

Finding the Fourth Proportional to 60,774.44, 91,161.12 and 21,322.32

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Solution

The fourth proportional to 60,774.44, 91,161.12 and 21,322.32 is: 31,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,774.44 : 91,161.12 = 21,322.32 : x
  2. Step 2: Convert to fraction form
    60,774.44/91,161.12 = 21,322.32/x
  3. Step 3: Cross multiply
    60,774.44x = 91,161.12 × 21,322.32
  4. Step 4: Simplify right side
    60,774.44x = 1,943,766,572.20
  5. Step 5: Solve for x
    x = 1,943,766,572.20/60,774.44
  6. Step 6: Final answer
    x = 31,983.29

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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.