Home / 84,071.16-126,108-36,033.48

Finding the Fourth Proportional to 84,071.16, 126,108 and 36,033.48

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Solution

The fourth proportional to 84,071.16, 126,108 and 36,033.48 is: 54,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071.16 : 126,108 = 36,033.48 : x
  2. Step 2: Convert to fraction form
    84,071.16/126,108 = 36,033.48/x
  3. Step 3: Cross multiply
    84,071.16x = 126,108 × 36,033.48
  4. Step 4: Simplify right side
    84,071.16x = 4,544,110,095.84
  5. Step 5: Solve for x
    x = 4,544,110,095.84/84,071.16
  6. Step 6: Final answer
    x = 54,050.76

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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.