Home / 62,726.64-86,579.34-38,839.74

Finding the Fourth Proportional to 62,726.64, 86,579.34 and 38,839.74

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Solution

The fourth proportional to 62,726.64, 86,579.34 and 38,839.74 is: 53,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,726.64 : 86,579.34 = 38,839.74 : x
  2. Step 2: Convert to fraction form
    62,726.64/86,579.34 = 38,839.74/x
  3. Step 3: Cross multiply
    62,726.64x = 86,579.34 × 38,839.74
  4. Step 4: Simplify right side
    62,726.64x = 3,362,719,054.97
  5. Step 5: Solve for x
    x = 3,362,719,054.97/62,726.64
  6. Step 6: Final answer
    x = 53,609.11

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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.