Home / 106,788.32-147,365.60-59,043.68

Finding the Fourth Proportional to 106,788.32, 147,365.60 and 59,043.68

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Solution

The fourth proportional to 106,788.32, 147,365.60 and 59,043.68 is: 81,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.32 : 147,365.60 = 59,043.68 : x
  2. Step 2: Convert to fraction form
    106,788.32/147,365.60 = 59,043.68/x
  3. Step 3: Cross multiply
    106,788.32x = 147,365.60 × 59,043.68
  4. Step 4: Simplify right side
    106,788.32x = 8,701,007,329.41
  5. Step 5: Solve for x
    x = 8,701,007,329.41/106,788.32
  6. Step 6: Final answer
    x = 81,479.02

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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.