Home / 65,693.08-90,667.92-38,833.48

Finding the Fourth Proportional to 65,693.08, 90,667.92 and 38,833.48

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Solution

The fourth proportional to 65,693.08, 90,667.92 and 38,833.48 is: 53,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,693.08 : 90,667.92 = 38,833.48 : x
  2. Step 2: Convert to fraction form
    65,693.08/90,667.92 = 38,833.48/x
  3. Step 3: Cross multiply
    65,693.08x = 90,667.92 × 38,833.48
  4. Step 4: Simplify right side
    65,693.08x = 3,520,950,857.96
  5. Step 5: Solve for x
    x = 3,520,950,857.96/65,693.08
  6. Step 6: Final answer
    x = 53,596.98

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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.