Home / 53,007.69-73,151.18-28,808.65

Finding the Fourth Proportional to 53,007.69, 73,151.18 and 28,808.65

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Solution

The fourth proportional to 53,007.69, 73,151.18 and 28,808.65 is: 39,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.69 : 73,151.18 = 28,808.65 : x
  2. Step 2: Convert to fraction form
    53,007.69/73,151.18 = 28,808.65/x
  3. Step 3: Cross multiply
    53,007.69x = 73,151.18 × 28,808.65
  4. Step 4: Simplify right side
    53,007.69x = 2,107,387,063.64
  5. Step 5: Solve for x
    x = 2,107,387,063.64/53,007.69
  6. Step 6: Final answer
    x = 39,756.25

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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.