Home / 53,984.54-80,990.48-38,220.46

Finding the Fourth Proportional to 53,984.54, 80,990.48 and 38,220.46

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Solution

The fourth proportional to 53,984.54, 80,990.48 and 38,220.46 is: 57,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.54 : 80,990.48 = 38,220.46 : x
  2. Step 2: Convert to fraction form
    53,984.54/80,990.48 = 38,220.46/x
  3. Step 3: Cross multiply
    53,984.54x = 80,990.48 × 38,220.46
  4. Step 4: Simplify right side
    53,984.54x = 3,095,493,294.30
  5. Step 5: Solve for x
    x = 3,095,493,294.30/53,984.54
  6. Step 6: Final answer
    x = 57,340.36

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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.