Home / 84,700.17-126,984.63-49,106.75

Finding the Fourth Proportional to 84,700.17, 126,984.63 and 49,106.75

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Solution

The fourth proportional to 84,700.17, 126,984.63 and 49,106.75 is: 73,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,700.17 : 126,984.63 = 49,106.75 : x
  2. Step 2: Convert to fraction form
    84,700.17/126,984.63 = 49,106.75/x
  3. Step 3: Cross multiply
    84,700.17x = 126,984.63 × 49,106.75
  4. Step 4: Simplify right side
    84,700.17x = 6,235,801,844.33
  5. Step 5: Solve for x
    x = 6,235,801,844.33/84,700.17
  6. Step 6: Final answer
    x = 73,622.07

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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.