Home / 54,208.19-74,810.43-30,334.65

Finding the Fourth Proportional to 54,208.19, 74,810.43 and 30,334.65

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Solution

The fourth proportional to 54,208.19, 74,810.43 and 30,334.65 is: 41,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,208.19 : 74,810.43 = 30,334.65 : x
  2. Step 2: Convert to fraction form
    54,208.19/74,810.43 = 30,334.65/x
  3. Step 3: Cross multiply
    54,208.19x = 74,810.43 × 30,334.65
  4. Step 4: Simplify right side
    54,208.19x = 2,269,348,210.40
  5. Step 5: Solve for x
    x = 2,269,348,210.40/54,208.19
  6. Step 6: Final answer
    x = 41,863.57

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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.