Home / 84,051.28-126,076.56-24,887.20

Finding the Fourth Proportional to 84,051.28, 126,076.56 and 24,887.20

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Solution

The fourth proportional to 84,051.28, 126,076.56 and 24,887.20 is: 37,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,051.28 : 126,076.56 = 24,887.20 : x
  2. Step 2: Convert to fraction form
    84,051.28/126,076.56 = 24,887.20/x
  3. Step 3: Cross multiply
    84,051.28x = 126,076.56 × 24,887.20
  4. Step 4: Simplify right side
    84,051.28x = 3,137,692,564.03
  5. Step 5: Solve for x
    x = 3,137,692,564.03/84,051.28
  6. Step 6: Final answer
    x = 37,330.69

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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.