Home / 86,196.60-129,017.88-46,115.58

Finding the Fourth Proportional to 86,196.60, 129,017.88 and 46,115.58

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Solution

The fourth proportional to 86,196.60, 129,017.88 and 46,115.58 is: 69,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196.60 : 129,017.88 = 46,115.58 : x
  2. Step 2: Convert to fraction form
    86,196.60/129,017.88 = 46,115.58/x
  3. Step 3: Cross multiply
    86,196.60x = 129,017.88 × 46,115.58
  4. Step 4: Simplify right side
    86,196.60x = 5,949,734,366.57
  5. Step 5: Solve for x
    x = 5,949,734,366.57/86,196.60
  6. Step 6: Final answer
    x = 69,025.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.