Home / 52,698.85-72,718.29-31,189.54

Finding the Fourth Proportional to 52,698.85, 72,718.29 and 31,189.54

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Solution

The fourth proportional to 52,698.85, 72,718.29 and 31,189.54 is: 43,037.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,698.85 : 72,718.29 = 31,189.54 : x
  2. Step 2: Convert to fraction form
    52,698.85/72,718.29 = 31,189.54/x
  3. Step 3: Cross multiply
    52,698.85x = 72,718.29 × 31,189.54
  4. Step 4: Simplify right side
    52,698.85x = 2,268,049,969.24
  5. Step 5: Solve for x
    x = 2,268,049,969.24/52,698.85
  6. Step 6: Final answer
    x = 43,037.94

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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.