Home / 84,711.27-126,906.51-56,546.40

Finding the Fourth Proportional to 84,711.27, 126,906.51 and 56,546.40

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Solution

The fourth proportional to 84,711.27, 126,906.51 and 56,546.40 is: 84,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,711.27 : 126,906.51 = 56,546.40 : x
  2. Step 2: Convert to fraction form
    84,711.27/126,906.51 = 56,546.40/x
  3. Step 3: Cross multiply
    84,711.27x = 126,906.51 × 56,546.40
  4. Step 4: Simplify right side
    84,711.27x = 7,176,106,277.06
  5. Step 5: Solve for x
    x = 7,176,106,277.06/84,711.27
  6. Step 6: Final answer
    x = 84,712.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.