Home / 66,224.56-99,340.28-21,854.77

Finding the Fourth Proportional to 66,224.56, 99,340.28 and 21,854.77

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Solution

The fourth proportional to 66,224.56, 99,340.28 and 21,854.77 is: 32,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,224.56 : 99,340.28 = 21,854.77 : x
  2. Step 2: Convert to fraction form
    66,224.56/99,340.28 = 21,854.77/x
  3. Step 3: Cross multiply
    66,224.56x = 99,340.28 × 21,854.77
  4. Step 4: Simplify right side
    66,224.56x = 2,171,058,971.14
  5. Step 5: Solve for x
    x = 2,171,058,971.14/66,224.56
  6. Step 6: Final answer
    x = 32,783.29

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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.