Home / 55,726.52-76,902.36-30,575.48

Finding the Fourth Proportional to 55,726.52, 76,902.36 and 30,575.48

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Solution

The fourth proportional to 55,726.52, 76,902.36 and 30,575.48 is: 42,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,726.52 : 76,902.36 = 30,575.48 : x
  2. Step 2: Convert to fraction form
    55,726.52/76,902.36 = 30,575.48/x
  3. Step 3: Cross multiply
    55,726.52x = 76,902.36 × 30,575.48
  4. Step 4: Simplify right side
    55,726.52x = 2,351,326,570.13
  5. Step 5: Solve for x
    x = 2,351,326,570.13/55,726.52
  6. Step 6: Final answer
    x = 42,194.03

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1.5x scale

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.