Home / 74,718.94-103,111.46-40,727.42

Finding the Fourth Proportional to 74,718.94, 103,111.46 and 40,727.42

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Solution

The fourth proportional to 74,718.94, 103,111.46 and 40,727.42 is: 56,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718.94 : 103,111.46 = 40,727.42 : x
  2. Step 2: Convert to fraction form
    74,718.94/103,111.46 = 40,727.42/x
  3. Step 3: Cross multiply
    74,718.94x = 103,111.46 × 40,727.42
  4. Step 4: Simplify right side
    74,718.94x = 4,199,464,367.53
  5. Step 5: Solve for x
    x = 4,199,464,367.53/74,718.94
  6. Step 6: Final answer
    x = 56,203.48

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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.