Home / 66,158.13-91,303.97-36,355.89

Finding the Fourth Proportional to 66,158.13, 91,303.97 and 36,355.89

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Solution

The fourth proportional to 66,158.13, 91,303.97 and 36,355.89 is: 50,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,158.13 : 91,303.97 = 36,355.89 : x
  2. Step 2: Convert to fraction form
    66,158.13/91,303.97 = 36,355.89/x
  3. Step 3: Cross multiply
    66,158.13x = 91,303.97 × 36,355.89
  4. Step 4: Simplify right side
    66,158.13x = 3,319,436,724.25
  5. Step 5: Solve for x
    x = 3,319,436,724.25/66,158.13
  6. Step 6: Final answer
    x = 50,174.29

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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.