Home / 84,567.08-126,816.60-54,940.52

Finding the Fourth Proportional to 84,567.08, 126,816.60 and 54,940.52

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Solution

The fourth proportional to 84,567.08, 126,816.60 and 54,940.52 is: 82,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,567.08 : 126,816.60 = 54,940.52 : x
  2. Step 2: Convert to fraction form
    84,567.08/126,816.60 = 54,940.52/x
  3. Step 3: Cross multiply
    84,567.08x = 126,816.60 × 54,940.52
  4. Step 4: Simplify right side
    84,567.08x = 6,967,369,948.63
  5. Step 5: Solve for x
    x = 6,967,369,948.63/84,567.08
  6. Step 6: Final answer
    x = 82,388.68

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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.