Home / 66,223.76-91,388.29-36,009.10

Finding the Fourth Proportional to 66,223.76, 91,388.29 and 36,009.10

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Solution

The fourth proportional to 66,223.76, 91,388.29 and 36,009.10 is: 49,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223.76 : 91,388.29 = 36,009.10 : x
  2. Step 2: Convert to fraction form
    66,223.76/91,388.29 = 36,009.10/x
  3. Step 3: Cross multiply
    66,223.76x = 91,388.29 × 36,009.10
  4. Step 4: Simplify right side
    66,223.76x = 3,290,809,651.11
  5. Step 5: Solve for x
    x = 3,290,809,651.11/66,223.76
  6. Step 6: Final answer
    x = 49,692.28

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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.