Home / 79,165.04-109,246.92-43,355.12

Finding the Fourth Proportional to 79,165.04, 109,246.92 and 43,355.12

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Solution

The fourth proportional to 79,165.04, 109,246.92 and 43,355.12 is: 59,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,165.04 : 109,246.92 = 43,355.12 : x
  2. Step 2: Convert to fraction form
    79,165.04/109,246.92 = 43,355.12/x
  3. Step 3: Cross multiply
    79,165.04x = 109,246.92 × 43,355.12
  4. Step 4: Simplify right side
    79,165.04x = 4,736,413,326.23
  5. Step 5: Solve for x
    x = 4,736,413,326.23/79,165.04
  6. Step 6: Final answer
    x = 59,829.61

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1.5x scale

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.