Home / 107,169.16-147,901.80-59,431.81

Finding the Fourth Proportional to 107,169.16, 147,901.80 and 59,431.81

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Solution

The fourth proportional to 107,169.16, 147,901.80 and 59,431.81 is: 82,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,169.16 : 147,901.80 = 59,431.81 : x
  2. Step 2: Convert to fraction form
    107,169.16/147,901.80 = 59,431.81/x
  3. Step 3: Cross multiply
    107,169.16x = 147,901.80 × 59,431.81
  4. Step 4: Simplify right side
    107,169.16x = 8,790,071,676.26
  5. Step 5: Solve for x
    x = 8,790,071,676.26/107,169.16
  6. Step 6: Final answer
    x = 82,020.53

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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.