Home / 48,609.69-67,090.05-28,465.38

Finding the Fourth Proportional to 48,609.69, 67,090.05 and 28,465.38

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Solution

The fourth proportional to 48,609.69, 67,090.05 and 28,465.38 is: 39,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.69 : 67,090.05 = 28,465.38 : x
  2. Step 2: Convert to fraction form
    48,609.69/67,090.05 = 28,465.38/x
  3. Step 3: Cross multiply
    48,609.69x = 67,090.05 × 28,465.38
  4. Step 4: Simplify right side
    48,609.69x = 1,909,743,767.47
  5. Step 5: Solve for x
    x = 1,909,743,767.47/48,609.69
  6. Step 6: Final answer
    x = 39,287.31

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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.