Home / 79,352.04-109,505.50-43,542.65

Finding the Fourth Proportional to 79,352.04, 109,505.50 and 43,542.65

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Solution

The fourth proportional to 79,352.04, 109,505.50 and 43,542.65 is: 60,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,352.04 : 109,505.50 = 43,542.65 : x
  2. Step 2: Convert to fraction form
    79,352.04/109,505.50 = 43,542.65/x
  3. Step 3: Cross multiply
    79,352.04x = 109,505.50 × 43,542.65
  4. Step 4: Simplify right side
    79,352.04x = 4,768,159,659.58
  5. Step 5: Solve for x
    x = 4,768,159,659.58/79,352.04
  6. Step 6: Final answer
    x = 60,088.68

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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.