Home / 84,501.36-126,742.30-22,176.72

Finding the Fourth Proportional to 84,501.36, 126,742.30 and 22,176.72

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Solution

The fourth proportional to 84,501.36, 126,742.30 and 22,176.72 is: 33,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,501.36 : 126,742.30 = 22,176.72 : x
  2. Step 2: Convert to fraction form
    84,501.36/126,742.30 = 22,176.72/x
  3. Step 3: Cross multiply
    84,501.36x = 126,742.30 × 22,176.72
  4. Step 4: Simplify right side
    84,501.36x = 2,810,728,499.26
  5. Step 5: Solve for x
    x = 2,810,728,499.26/84,501.36
  6. Step 6: Final answer
    x = 33,262.52

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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.