Home / 52,808.31-72,874.32-28,934.46

Finding the Fourth Proportional to 52,808.31, 72,874.32 and 28,934.46

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Solution

The fourth proportional to 52,808.31, 72,874.32 and 28,934.46 is: 39,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,808.31 : 72,874.32 = 28,934.46 : x
  2. Step 2: Convert to fraction form
    52,808.31/72,874.32 = 28,934.46/x
  3. Step 3: Cross multiply
    52,808.31x = 72,874.32 × 28,934.46
  4. Step 4: Simplify right side
    52,808.31x = 2,108,579,097.07
  5. Step 5: Solve for x
    x = 2,108,579,097.07/52,808.31
  6. Step 6: Final answer
    x = 39,928.93

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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.