Home / 69,975.18-96,562.08-39,756.30

Finding the Fourth Proportional to 69,975.18, 96,562.08 and 39,756.30

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Solution

The fourth proportional to 69,975.18, 96,562.08 and 39,756.30 is: 54,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,975.18 : 96,562.08 = 39,756.30 : x
  2. Step 2: Convert to fraction form
    69,975.18/96,562.08 = 39,756.30/x
  3. Step 3: Cross multiply
    69,975.18x = 96,562.08 × 39,756.30
  4. Step 4: Simplify right side
    69,975.18x = 3,838,951,021.10
  5. Step 5: Solve for x
    x = 3,838,951,021.10/69,975.18
  6. Step 6: Final answer
    x = 54,861.61

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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.