Home / 84,519.13-126,591.83-57,801.81

Finding the Fourth Proportional to 84,519.13, 126,591.83 and 57,801.81

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Solution

The fourth proportional to 84,519.13, 126,591.83 and 57,801.81 is: 86,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,519.13 : 126,591.83 = 57,801.81 : x
  2. Step 2: Convert to fraction form
    84,519.13/126,591.83 = 57,801.81/x
  3. Step 3: Cross multiply
    84,519.13x = 126,591.83 × 57,801.81
  4. Step 4: Simplify right side
    84,519.13x = 7,317,236,905.21
  5. Step 5: Solve for x
    x = 7,317,236,905.21/84,519.13
  6. Step 6: Final answer
    x = 86,574.92

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1.5x scale

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.