Home / 84,101.23-126,151.86-57,726.01

Finding the Fourth Proportional to 84,101.23, 126,151.86 and 57,726.01

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Solution

The fourth proportional to 84,101.23, 126,151.86 and 57,726.01 is: 86,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,101.23 : 126,151.86 = 57,726.01 : x
  2. Step 2: Convert to fraction form
    84,101.23/126,151.86 = 57,726.01/x
  3. Step 3: Cross multiply
    84,101.23x = 126,151.86 × 57,726.01
  4. Step 4: Simplify right side
    84,101.23x = 7,282,243,531.88
  5. Step 5: Solve for x
    x = 7,282,243,531.88/84,101.23
  6. Step 6: Final answer
    x = 86,589.03

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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.