Home / 84,525.92-126,784.56-25,362.08

Finding the Fourth Proportional to 84,525.92, 126,784.56 and 25,362.08

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Solution

The fourth proportional to 84,525.92, 126,784.56 and 25,362.08 is: 38,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,525.92 : 126,784.56 = 25,362.08 : x
  2. Step 2: Convert to fraction form
    84,525.92/126,784.56 = 25,362.08/x
  3. Step 3: Cross multiply
    84,525.92x = 126,784.56 × 25,362.08
  4. Step 4: Simplify right side
    84,525.92x = 3,215,520,153.48
  5. Step 5: Solve for x
    x = 3,215,520,153.48/84,525.92
  6. Step 6: Final answer
    x = 38,041.82

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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.