Home / 69,091.10-103,636.65-52,502.30

Finding the Fourth Proportional to 69,091.10, 103,636.65 and 52,502.30

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Solution

The fourth proportional to 69,091.10, 103,636.65 and 52,502.30 is: 78,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,091.10 : 103,636.65 = 52,502.30 : x
  2. Step 2: Convert to fraction form
    69,091.10/103,636.65 = 52,502.30/x
  3. Step 3: Cross multiply
    69,091.10x = 103,636.65 × 52,502.30
  4. Step 4: Simplify right side
    69,091.10x = 5,441,162,489.30
  5. Step 5: Solve for x
    x = 5,441,162,489.30/69,091.10
  6. Step 6: Final answer
    x = 78,753.45

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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.