Home / 66,311.19-91,510.61-36,097.38

Finding the Fourth Proportional to 66,311.19, 91,510.61 and 36,097.38

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Solution

The fourth proportional to 66,311.19, 91,510.61 and 36,097.38 is: 49,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.19 : 91,510.61 = 36,097.38 : x
  2. Step 2: Convert to fraction form
    66,311.19/91,510.61 = 36,097.38/x
  3. Step 3: Cross multiply
    66,311.19x = 91,510.61 × 36,097.38
  4. Step 4: Simplify right side
    66,311.19x = 3,303,293,263.20
  5. Step 5: Solve for x
    x = 3,303,293,263.20/66,311.19
  6. Step 6: Final answer
    x = 49,815.02

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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.