Home / 81,948.92-113,014.86-53,644.28

Finding the Fourth Proportional to 81,948.92, 113,014.86 and 53,644.28

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Solution

The fourth proportional to 81,948.92, 113,014.86 and 53,644.28 is: 73,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.92 : 113,014.86 = 53,644.28 : x
  2. Step 2: Convert to fraction form
    81,948.92/113,014.86 = 53,644.28/x
  3. Step 3: Cross multiply
    81,948.92x = 113,014.86 × 53,644.28
  4. Step 4: Simplify right side
    81,948.92x = 6,062,600,794.00
  5. Step 5: Solve for x
    x = 6,062,600,794.00/81,948.92
  6. Step 6: Final answer
    x = 73,980.24

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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.