Home / 52,970.54-79,443.68-31,629.28

Finding the Fourth Proportional to 52,970.54, 79,443.68 and 31,629.28

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Solution

The fourth proportional to 52,970.54, 79,443.68 and 31,629.28 is: 47,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,970.54 : 79,443.68 = 31,629.28 : x
  2. Step 2: Convert to fraction form
    52,970.54/79,443.68 = 31,629.28/x
  3. Step 3: Cross multiply
    52,970.54x = 79,443.68 × 31,629.28
  4. Step 4: Simplify right side
    52,970.54x = 2,512,746,398.95
  5. Step 5: Solve for x
    x = 2,512,746,398.95/52,970.54
  6. Step 6: Final answer
    x = 47,436.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.