Home / 66,311.18-91,508.13-36,097.19

Finding the Fourth Proportional to 66,311.18, 91,508.13 and 36,097.19

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Solution

The fourth proportional to 66,311.18, 91,508.13 and 36,097.19 is: 49,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.18 : 91,508.13 = 36,097.19 : x
  2. Step 2: Convert to fraction form
    66,311.18/91,508.13 = 36,097.19/x
  3. Step 3: Cross multiply
    66,311.18x = 91,508.13 × 36,097.19
  4. Step 4: Simplify right side
    66,311.18x = 3,303,186,355.15
  5. Step 5: Solve for x
    x = 3,303,186,355.15/66,311.18
  6. Step 6: Final answer
    x = 49,813.42

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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.