Home / 75,105.04-103,668-43,295.10

Finding the Fourth Proportional to 75,105.04, 103,668 and 43,295.10

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Solution

The fourth proportional to 75,105.04, 103,668 and 43,295.10 is: 59,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.04 : 103,668 = 43,295.10 : x
  2. Step 2: Convert to fraction form
    75,105.04/103,668 = 43,295.10/x
  3. Step 3: Cross multiply
    75,105.04x = 103,668 × 43,295.10
  4. Step 4: Simplify right side
    75,105.04x = 4,488,316,426.80
  5. Step 5: Solve for x
    x = 4,488,316,426.80/75,105.04
  6. Step 6: Final answer
    x = 59,760.52

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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.