Home / 52,850.32-72,935.28-28,977.04

Finding the Fourth Proportional to 52,850.32, 72,935.28 and 28,977.04

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Solution

The fourth proportional to 52,850.32, 72,935.28 and 28,977.04 is: 39,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.32 : 72,935.28 = 28,977.04 : x
  2. Step 2: Convert to fraction form
    52,850.32/72,935.28 = 28,977.04/x
  3. Step 3: Cross multiply
    52,850.32x = 72,935.28 × 28,977.04
  4. Step 4: Simplify right side
    52,850.32x = 2,113,448,525.97
  5. Step 5: Solve for x
    x = 2,113,448,525.97/52,850.32
  6. Step 6: Final answer
    x = 39,989.32

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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.