Home / 74,838.97-103,277.28-40,847.32

Finding the Fourth Proportional to 74,838.97, 103,277.28 and 40,847.32

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Solution

The fourth proportional to 74,838.97, 103,277.28 and 40,847.32 is: 56,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.97 : 103,277.28 = 40,847.32 : x
  2. Step 2: Convert to fraction form
    74,838.97/103,277.28 = 40,847.32/x
  3. Step 3: Cross multiply
    74,838.97x = 103,277.28 × 40,847.32
  4. Step 4: Simplify right side
    74,838.97x = 4,218,600,104.89
  5. Step 5: Solve for x
    x = 4,218,600,104.89/74,838.97
  6. Step 6: Final answer
    x = 56,369.03

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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.