Home / 53,109.19-79,675.79-17,570.42

Finding the Fourth Proportional to 53,109.19, 79,675.79 and 17,570.42

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Solution

The fourth proportional to 53,109.19, 79,675.79 and 17,570.42 is: 26,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.19 : 79,675.79 = 17,570.42 : x
  2. Step 2: Convert to fraction form
    53,109.19/79,675.79 = 17,570.42/x
  3. Step 3: Cross multiply
    53,109.19x = 79,675.79 × 17,570.42
  4. Step 4: Simplify right side
    53,109.19x = 1,399,937,094.13
  5. Step 5: Solve for x
    x = 1,399,937,094.13/53,109.19
  6. Step 6: Final answer
    x = 26,359.60

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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.