Home / 83,497.51-115,226.13-45,771.76

Finding the Fourth Proportional to 83,497.51, 115,226.13 and 45,771.76

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Solution

The fourth proportional to 83,497.51, 115,226.13 and 45,771.76 is: 63,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,497.51 : 115,226.13 = 45,771.76 : x
  2. Step 2: Convert to fraction form
    83,497.51/115,226.13 = 45,771.76/x
  3. Step 3: Cross multiply
    83,497.51x = 115,226.13 × 45,771.76
  4. Step 4: Simplify right side
    83,497.51x = 5,274,102,768.09
  5. Step 5: Solve for x
    x = 5,274,102,768.09/83,497.51
  6. Step 6: Final answer
    x = 63,164.79

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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.