Home / 79,448.07-109,645.95-45,449.81

Finding the Fourth Proportional to 79,448.07, 109,645.95 and 45,449.81

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Solution

The fourth proportional to 79,448.07, 109,645.95 and 45,449.81 is: 62,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.07 : 109,645.95 = 45,449.81 : x
  2. Step 2: Convert to fraction form
    79,448.07/109,645.95 = 45,449.81/x
  3. Step 3: Cross multiply
    79,448.07x = 109,645.95 × 45,449.81
  4. Step 4: Simplify right side
    79,448.07x = 4,983,387,046.54
  5. Step 5: Solve for x
    x = 4,983,387,046.54/79,448.07
  6. Step 6: Final answer
    x = 62,725.09

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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.