Home / 84,607.28-126,907.60-34,675.36

Finding the Fourth Proportional to 84,607.28, 126,907.60 and 34,675.36

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Solution

The fourth proportional to 84,607.28, 126,907.60 and 34,675.36 is: 52,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607.28 : 126,907.60 = 34,675.36 : x
  2. Step 2: Convert to fraction form
    84,607.28/126,907.60 = 34,675.36/x
  3. Step 3: Cross multiply
    84,607.28x = 126,907.60 × 34,675.36
  4. Step 4: Simplify right side
    84,607.28x = 4,400,566,716.74
  5. Step 5: Solve for x
    x = 4,400,566,716.74/84,607.28
  6. Step 6: Final answer
    x = 52,011.68

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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.