Home / 48,494.64-72,741.96-13,434.31

Finding the Fourth Proportional to 48,494.64, 72,741.96 and 13,434.31

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Solution

The fourth proportional to 48,494.64, 72,741.96 and 13,434.31 is: 20,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,494.64 : 72,741.96 = 13,434.31 : x
  2. Step 2: Convert to fraction form
    48,494.64/72,741.96 = 13,434.31/x
  3. Step 3: Cross multiply
    48,494.64x = 72,741.96 × 13,434.31
  4. Step 4: Simplify right side
    48,494.64x = 977,238,040.65
  5. Step 5: Solve for x
    x = 977,238,040.65/48,494.64
  6. Step 6: Final answer
    x = 20,151.47

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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.