Home / 84,035.12-126,035.04-37,258.16

Finding the Fourth Proportional to 84,035.12, 126,035.04 and 37,258.16

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Solution

The fourth proportional to 84,035.12, 126,035.04 and 37,258.16 is: 55,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,035.12 : 126,035.04 = 37,258.16 : x
  2. Step 2: Convert to fraction form
    84,035.12/126,035.04 = 37,258.16/x
  3. Step 3: Cross multiply
    84,035.12x = 126,035.04 × 37,258.16
  4. Step 4: Simplify right side
    84,035.12x = 4,695,833,685.93
  5. Step 5: Solve for x
    x = 4,695,833,685.93/84,035.12
  6. Step 6: Final answer
    x = 55,879.42

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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.