Home / 66,724.64-100,087.08-26,761.76

Finding the Fourth Proportional to 66,724.64, 100,087.08 and 26,761.76

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Solution

The fourth proportional to 66,724.64, 100,087.08 and 26,761.76 is: 40,142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,724.64 : 100,087.08 = 26,761.76 : x
  2. Step 2: Convert to fraction form
    66,724.64/100,087.08 = 26,761.76/x
  3. Step 3: Cross multiply
    66,724.64x = 100,087.08 × 26,761.76
  4. Step 4: Simplify right side
    66,724.64x = 2,678,506,414.06
  5. Step 5: Solve for x
    x = 2,678,506,414.06/66,724.64
  6. Step 6: Final answer
    x = 40,142.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.