Home / 53,144.47-79,727.95-17,603.78

Finding the Fourth Proportional to 53,144.47, 79,727.95 and 17,603.78

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Solution

The fourth proportional to 53,144.47, 79,727.95 and 17,603.78 is: 26,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144.47 : 79,727.95 = 17,603.78 : x
  2. Step 2: Convert to fraction form
    53,144.47/79,727.95 = 17,603.78/x
  3. Step 3: Cross multiply
    53,144.47x = 79,727.95 × 17,603.78
  4. Step 4: Simplify right side
    53,144.47x = 1,403,513,092.33
  5. Step 5: Solve for x
    x = 1,403,513,092.33/53,144.47
  6. Step 6: Final answer
    x = 26,409.39

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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.