Home / 62,713.77-86,585.55-38,865.75

Finding the Fourth Proportional to 62,713.77, 86,585.55 and 38,865.75

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Solution

The fourth proportional to 62,713.77, 86,585.55 and 38,865.75 is: 53,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,713.77 : 86,585.55 = 38,865.75 : x
  2. Step 2: Convert to fraction form
    62,713.77/86,585.55 = 38,865.75/x
  3. Step 3: Cross multiply
    62,713.77x = 86,585.55 × 38,865.75
  4. Step 4: Simplify right side
    62,713.77x = 3,365,212,339.91
  5. Step 5: Solve for x
    x = 3,365,212,339.91/62,713.77
  6. Step 6: Final answer
    x = 53,659.86

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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.