Home / 66,688.39-92,063.40-51,546.83

Finding the Fourth Proportional to 66,688.39, 92,063.40 and 51,546.83

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Solution

The fourth proportional to 66,688.39, 92,063.40 and 51,546.83 is: 71,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,688.39 : 92,063.40 = 51,546.83 : x
  2. Step 2: Convert to fraction form
    66,688.39/92,063.40 = 51,546.83/x
  3. Step 3: Cross multiply
    66,688.39x = 92,063.40 × 51,546.83
  4. Step 4: Simplify right side
    66,688.39x = 4,745,576,429.02
  5. Step 5: Solve for x
    x = 4,745,576,429.02/66,688.39
  6. Step 6: Final answer
    x = 71,160.46

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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.