Home / 82,207.50-113,434.99-45,904.51

Finding the Fourth Proportional to 82,207.50, 113,434.99 and 45,904.51

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Solution

The fourth proportional to 82,207.50, 113,434.99 and 45,904.51 is: 63,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,207.50 : 113,434.99 = 45,904.51 : x
  2. Step 2: Convert to fraction form
    82,207.50/113,434.99 = 45,904.51/x
  3. Step 3: Cross multiply
    82,207.50x = 113,434.99 × 45,904.51
  4. Step 4: Simplify right side
    82,207.50x = 5,207,177,632.80
  5. Step 5: Solve for x
    x = 5,207,177,632.80/82,207.50
  6. Step 6: Final answer
    x = 63,341.88

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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.