Home / 53,115.99-79,656.70-17,570.62

Finding the Fourth Proportional to 53,115.99, 79,656.70 and 17,570.62

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Solution

The fourth proportional to 53,115.99, 79,656.70 and 17,570.62 is: 26,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.99 : 79,656.70 = 17,570.62 : x
  2. Step 2: Convert to fraction form
    53,115.99/79,656.70 = 17,570.62/x
  3. Step 3: Cross multiply
    53,115.99x = 79,656.70 × 17,570.62
  4. Step 4: Simplify right side
    53,115.99x = 1,399,617,606.15
  5. Step 5: Solve for x
    x = 1,399,617,606.15/53,115.99
  6. Step 6: Final answer
    x = 26,350.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.