Home / 95,905.15-143,912.40-66,344.20

Finding the Fourth Proportional to 95,905.15, 143,912.40 and 66,344.20

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Solution

The fourth proportional to 95,905.15, 143,912.40 and 66,344.20 is: 99,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,905.15 : 143,912.40 = 66,344.20 : x
  2. Step 2: Convert to fraction form
    95,905.15/143,912.40 = 66,344.20/x
  3. Step 3: Cross multiply
    95,905.15x = 143,912.40 × 66,344.20
  4. Step 4: Simplify right side
    95,905.15x = 9,547,753,048.08
  5. Step 5: Solve for x
    x = 9,547,753,048.08/95,905.15
  6. Step 6: Final answer
    x = 99,554.12

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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.