Home / 53,318.06-79,631.41-48,310.43

Finding the Fourth Proportional to 53,318.06, 79,631.41 and 48,310.43

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Solution

The fourth proportional to 53,318.06, 79,631.41 and 48,310.43 is: 72,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.06 : 79,631.41 = 48,310.43 : x
  2. Step 2: Convert to fraction form
    53,318.06/79,631.41 = 48,310.43/x
  3. Step 3: Cross multiply
    53,318.06x = 79,631.41 × 48,310.43
  4. Step 4: Simplify right side
    53,318.06x = 3,847,028,139.92
  5. Step 5: Solve for x
    x = 3,847,028,139.92/53,318.06
  6. Step 6: Final answer
    x = 72,152.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.