Home / 82,315.71-113,593.35-48,323.64

Finding the Fourth Proportional to 82,315.71, 113,593.35 and 48,323.64

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Solution

The fourth proportional to 82,315.71, 113,593.35 and 48,323.64 is: 66,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,315.71 : 113,593.35 = 48,323.64 : x
  2. Step 2: Convert to fraction form
    82,315.71/113,593.35 = 48,323.64/x
  3. Step 3: Cross multiply
    82,315.71x = 113,593.35 × 48,323.64
  4. Step 4: Simplify right side
    82,315.71x = 5,489,244,151.79
  5. Step 5: Solve for x
    x = 5,489,244,151.79/82,315.71
  6. Step 6: Final answer
    x = 66,685.26

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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.