Home / 54,837.06-75,675.15-30,965.28

Finding the Fourth Proportional to 54,837.06, 75,675.15 and 30,965.28

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Solution

The fourth proportional to 54,837.06, 75,675.15 and 30,965.28 is: 42,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837.06 : 75,675.15 = 30,965.28 : x
  2. Step 2: Convert to fraction form
    54,837.06/75,675.15 = 30,965.28/x
  3. Step 3: Cross multiply
    54,837.06x = 75,675.15 × 30,965.28
  4. Step 4: Simplify right side
    54,837.06x = 2,343,302,208.79
  5. Step 5: Solve for x
    x = 2,343,302,208.79/54,837.06
  6. Step 6: Final answer
    x = 42,732.09

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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.