Home / 84,615.02-126,933.33-28,431.02

Finding the Fourth Proportional to 84,615.02, 126,933.33 and 28,431.02

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Solution

The fourth proportional to 84,615.02, 126,933.33 and 28,431.02 is: 42,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,615.02 : 126,933.33 = 28,431.02 : x
  2. Step 2: Convert to fraction form
    84,615.02/126,933.33 = 28,431.02/x
  3. Step 3: Cross multiply
    84,615.02x = 126,933.33 × 28,431.02
  4. Step 4: Simplify right side
    84,615.02x = 3,608,844,043.90
  5. Step 5: Solve for x
    x = 3,608,844,043.90/84,615.02
  6. Step 6: Final answer
    x = 42,650.16

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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.