Home / 107,039.30-147,714.39-59,291.60

Finding the Fourth Proportional to 107,039.30, 147,714.39 and 59,291.60

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Solution

The fourth proportional to 107,039.30, 147,714.39 and 59,291.60 is: 81,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,039.30 : 147,714.39 = 59,291.60 : x
  2. Step 2: Convert to fraction form
    107,039.30/147,714.39 = 59,291.60/x
  3. Step 3: Cross multiply
    107,039.30x = 147,714.39 × 59,291.60
  4. Step 4: Simplify right side
    107,039.30x = 8,758,221,787.55
  5. Step 5: Solve for x
    x = 8,758,221,787.55/107,039.30
  6. Step 6: Final answer
    x = 81,822.49

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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.