Home / 54,315.15-74,958.07-40,862.36

Finding the Fourth Proportional to 54,315.15, 74,958.07 and 40,862.36

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Solution

The fourth proportional to 54,315.15, 74,958.07 and 40,862.36 is: 56,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.15 : 74,958.07 = 40,862.36 : x
  2. Step 2: Convert to fraction form
    54,315.15/74,958.07 = 40,862.36/x
  3. Step 3: Cross multiply
    54,315.15x = 74,958.07 × 40,862.36
  4. Step 4: Simplify right side
    54,315.15x = 3,062,963,641.25
  5. Step 5: Solve for x
    x = 3,062,963,641.25/54,315.15
  6. Step 6: Final answer
    x = 56,392.44

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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.