Home / 66,285.66-91,474.23-36,071.10

Finding the Fourth Proportional to 66,285.66, 91,474.23 and 36,071.10

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Solution

The fourth proportional to 66,285.66, 91,474.23 and 36,071.10 is: 49,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.66 : 91,474.23 = 36,071.10 : x
  2. Step 2: Convert to fraction form
    66,285.66/91,474.23 = 36,071.10/x
  3. Step 3: Cross multiply
    66,285.66x = 91,474.23 × 36,071.10
  4. Step 4: Simplify right side
    66,285.66x = 3,299,576,097.75
  5. Step 5: Solve for x
    x = 3,299,576,097.75/66,285.66
  6. Step 6: Final answer
    x = 49,778.13

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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.