Home / 84,556.02-126,795.80-25,380.12

Finding the Fourth Proportional to 84,556.02, 126,795.80 and 25,380.12

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Solution

The fourth proportional to 84,556.02, 126,795.80 and 25,380.12 is: 38,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,556.02 : 126,795.80 = 25,380.12 : x
  2. Step 2: Convert to fraction form
    84,556.02/126,795.80 = 25,380.12/x
  3. Step 3: Cross multiply
    84,556.02x = 126,795.80 × 25,380.12
  4. Step 4: Simplify right side
    84,556.02x = 3,218,092,619.50
  5. Step 5: Solve for x
    x = 3,218,092,619.50/84,556.02
  6. Step 6: Final answer
    x = 38,058.70

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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.