Home / 107,060.31-147,812.55-68,837.01

Finding the Fourth Proportional to 107,060.31, 147,812.55 and 68,837.01

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Solution

The fourth proportional to 107,060.31, 147,812.55 and 68,837.01 is: 95,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,060.31 : 147,812.55 = 68,837.01 : x
  2. Step 2: Convert to fraction form
    107,060.31/147,812.55 = 68,837.01/x
  3. Step 3: Cross multiply
    107,060.31x = 147,812.55 × 68,837.01
  4. Step 4: Simplify right side
    107,060.31x = 10,174,973,982.48
  5. Step 5: Solve for x
    x = 10,174,973,982.48/107,060.31
  6. Step 6: Final answer
    x = 95,039.65

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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.