Home / 50,521.85-69,726.66-42,009.33

Finding the Fourth Proportional to 50,521.85, 69,726.66 and 42,009.33

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Solution

The fourth proportional to 50,521.85, 69,726.66 and 42,009.33 is: 57,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,521.85 : 69,726.66 = 42,009.33 : x
  2. Step 2: Convert to fraction form
    50,521.85/69,726.66 = 42,009.33/x
  3. Step 3: Cross multiply
    50,521.85x = 69,726.66 × 42,009.33
  4. Step 4: Simplify right side
    50,521.85x = 2,929,170,373.68
  5. Step 5: Solve for x
    x = 2,929,170,373.68/50,521.85
  6. Step 6: Final answer
    x = 57,978.29

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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.