Home / 54,083.08-74,707.70-40,755.08

Finding the Fourth Proportional to 54,083.08, 74,707.70 and 40,755.08

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Solution

The fourth proportional to 54,083.08, 74,707.70 and 40,755.08 is: 56,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,083.08 : 74,707.70 = 40,755.08 : x
  2. Step 2: Convert to fraction form
    54,083.08/74,707.70 = 40,755.08/x
  3. Step 3: Cross multiply
    54,083.08x = 74,707.70 × 40,755.08
  4. Step 4: Simplify right side
    54,083.08x = 3,044,718,290.12
  5. Step 5: Solve for x
    x = 3,044,718,290.12/54,083.08
  6. Step 6: Final answer
    x = 56,297.06

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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.