Home / 62,720.19-86,524.61-38,838.15

Finding the Fourth Proportional to 62,720.19, 86,524.61 and 38,838.15

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Solution

The fourth proportional to 62,720.19, 86,524.61 and 38,838.15 is: 53,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,720.19 : 86,524.61 = 38,838.15 : x
  2. Step 2: Convert to fraction form
    62,720.19/86,524.61 = 38,838.15/x
  3. Step 3: Cross multiply
    62,720.19x = 86,524.61 × 38,838.15
  4. Step 4: Simplify right side
    62,720.19x = 3,360,455,587.68
  5. Step 5: Solve for x
    x = 3,360,455,587.68/62,720.19
  6. Step 6: Final answer
    x = 53,578.53

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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.