Home / 69,445.08-95,768.40-47,900.40

Finding the Fourth Proportional to 69,445.08, 95,768.40 and 47,900.40

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Solution

The fourth proportional to 69,445.08, 95,768.40 and 47,900.40 is: 66,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,445.08 : 95,768.40 = 47,900.40 : x
  2. Step 2: Convert to fraction form
    69,445.08/95,768.40 = 47,900.40/x
  3. Step 3: Cross multiply
    69,445.08x = 95,768.40 × 47,900.40
  4. Step 4: Simplify right side
    69,445.08x = 4,587,344,667.36
  5. Step 5: Solve for x
    x = 4,587,344,667.36/69,445.08
  6. Step 6: Final answer
    x = 66,057.16

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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.