Home / 52,880.40-72,974.61-29,007.18

Finding the Fourth Proportional to 52,880.40, 72,974.61 and 29,007.18

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Solution

The fourth proportional to 52,880.40, 72,974.61 and 29,007.18 is: 40,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,880.40 : 72,974.61 = 29,007.18 : x
  2. Step 2: Convert to fraction form
    52,880.40/72,974.61 = 29,007.18/x
  3. Step 3: Cross multiply
    52,880.40x = 72,974.61 × 29,007.18
  4. Step 4: Simplify right side
    52,880.40x = 2,116,787,647.70
  5. Step 5: Solve for x
    x = 2,116,787,647.70/52,880.40
  6. Step 6: Final answer
    x = 40,029.72

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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.