Home / 82,726.37-124,029.05-26,534.49

Finding the Fourth Proportional to 82,726.37, 124,029.05 and 26,534.49

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Solution

The fourth proportional to 82,726.37, 124,029.05 and 26,534.49 is: 39,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,726.37 : 124,029.05 = 26,534.49 : x
  2. Step 2: Convert to fraction form
    82,726.37/124,029.05 = 26,534.49/x
  3. Step 3: Cross multiply
    82,726.37x = 124,029.05 × 26,534.49
  4. Step 4: Simplify right side
    82,726.37x = 3,291,047,454.26
  5. Step 5: Solve for x
    x = 3,291,047,454.26/82,726.37
  6. Step 6: Final answer
    x = 39,782.33

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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.