Home / 53,143.05-79,725.82-17,602.36

Finding the Fourth Proportional to 53,143.05, 79,725.82 and 17,602.36

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Solution

The fourth proportional to 53,143.05, 79,725.82 and 17,602.36 is: 26,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143.05 : 79,725.82 = 17,602.36 : x
  2. Step 2: Convert to fraction form
    53,143.05/79,725.82 = 17,602.36/x
  3. Step 3: Cross multiply
    53,143.05x = 79,725.82 × 17,602.36
  4. Step 4: Simplify right side
    53,143.05x = 1,403,362,668.29
  5. Step 5: Solve for x
    x = 1,403,362,668.29/53,143.05
  6. Step 6: Final answer
    x = 26,407.26

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1.5x scale

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.