Home / 73,016.51-100,764.09-42,823.61

Finding the Fourth Proportional to 73,016.51, 100,764.09 and 42,823.61

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Solution

The fourth proportional to 73,016.51, 100,764.09 and 42,823.61 is: 59,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016.51 : 100,764.09 = 42,823.61 : x
  2. Step 2: Convert to fraction form
    73,016.51/100,764.09 = 42,823.61/x
  3. Step 3: Cross multiply
    73,016.51x = 100,764.09 × 42,823.61
  4. Step 4: Simplify right side
    73,016.51x = 4,315,081,966.21
  5. Step 5: Solve for x
    x = 4,315,081,966.21/73,016.51
  6. Step 6: Final answer
    x = 59,097.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.