Home / 107,162.46-147,883.47-59,415.78

Finding the Fourth Proportional to 107,162.46, 147,883.47 and 59,415.78

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Solution

The fourth proportional to 107,162.46, 147,883.47 and 59,415.78 is: 81,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,162.46 : 147,883.47 = 59,415.78 : x
  2. Step 2: Convert to fraction form
    107,162.46/147,883.47 = 59,415.78/x
  3. Step 3: Cross multiply
    107,162.46x = 147,883.47 × 59,415.78
  4. Step 4: Simplify right side
    107,162.46x = 8,786,611,719.16
  5. Step 5: Solve for x
    x = 8,786,611,719.16/107,162.46
  6. Step 6: Final answer
    x = 81,993.37

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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.