Home / 106,070.92-146,408.88-63,080.64

Finding the Fourth Proportional to 106,070.92, 146,408.88 and 63,080.64

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Solution

The fourth proportional to 106,070.92, 146,408.88 and 63,080.64 is: 87,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,070.92 : 146,408.88 = 63,080.64 : x
  2. Step 2: Convert to fraction form
    106,070.92/146,408.88 = 63,080.64/x
  3. Step 3: Cross multiply
    106,070.92x = 146,408.88 × 63,080.64
  4. Step 4: Simplify right side
    106,070.92x = 9,235,566,088.64
  5. Step 5: Solve for x
    x = 9,235,566,088.64/106,070.92
  6. Step 6: Final answer
    x = 87,069.73

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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.