Home / 107,121.46-147,836.36-59,388.98

Finding the Fourth Proportional to 107,121.46, 147,836.36 and 59,388.98

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Solution

The fourth proportional to 107,121.46, 147,836.36 and 59,388.98 is: 81,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,121.46 : 147,836.36 = 59,388.98 : x
  2. Step 2: Convert to fraction form
    107,121.46/147,836.36 = 59,388.98/x
  3. Step 3: Cross multiply
    107,121.46x = 147,836.36 × 59,388.98
  4. Step 4: Simplify right side
    107,121.46x = 8,779,850,627.31
  5. Step 5: Solve for x
    x = 8,779,850,627.31/107,121.46
  6. Step 6: Final answer
    x = 81,961.64

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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.