Home / 54,001.13-74,521.35-30,126.38

Finding the Fourth Proportional to 54,001.13, 74,521.35 and 30,126.38

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Solution

The fourth proportional to 54,001.13, 74,521.35 and 30,126.38 is: 41,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.13 : 74,521.35 = 30,126.38 : x
  2. Step 2: Convert to fraction form
    54,001.13/74,521.35 = 30,126.38/x
  3. Step 3: Cross multiply
    54,001.13x = 74,521.35 × 30,126.38
  4. Step 4: Simplify right side
    54,001.13x = 2,245,058,135.61
  5. Step 5: Solve for x
    x = 2,245,058,135.61/54,001.13
  6. Step 6: Final answer
    x = 41,574.28

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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.