Home / 54,876.51-75,726.14-30,999.33

Finding the Fourth Proportional to 54,876.51, 75,726.14 and 30,999.33

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Solution

The fourth proportional to 54,876.51, 75,726.14 and 30,999.33 is: 42,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.51 : 75,726.14 = 30,999.33 : x
  2. Step 2: Convert to fraction form
    54,876.51/75,726.14 = 30,999.33/x
  3. Step 3: Cross multiply
    54,876.51x = 75,726.14 × 30,999.33
  4. Step 4: Simplify right side
    54,876.51x = 2,347,459,448.49
  5. Step 5: Solve for x
    x = 2,347,459,448.49/54,876.51
  6. Step 6: Final answer
    x = 42,777.13

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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.