Home / 107,218.81-147,979.67-59,487.54

Finding the Fourth Proportional to 107,218.81, 147,979.67 and 59,487.54

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Solution

The fourth proportional to 107,218.81, 147,979.67 and 59,487.54 is: 82,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218.81 : 147,979.67 = 59,487.54 : x
  2. Step 2: Convert to fraction form
    107,218.81/147,979.67 = 59,487.54/x
  3. Step 3: Cross multiply
    107,218.81x = 147,979.67 × 59,487.54
  4. Step 4: Simplify right side
    107,218.81x = 8,802,946,538.31
  5. Step 5: Solve for x
    x = 8,802,946,538.31/107,218.81
  6. Step 6: Final answer
    x = 82,102.63

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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.