Home / 48,086.08-72,131.84-13,028.64

Finding the Fourth Proportional to 48,086.08, 72,131.84 and 13,028.64

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Solution

The fourth proportional to 48,086.08, 72,131.84 and 13,028.64 is: 19,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,086.08 : 72,131.84 = 13,028.64 : x
  2. Step 2: Convert to fraction form
    48,086.08/72,131.84 = 13,028.64/x
  3. Step 3: Cross multiply
    48,086.08x = 72,131.84 × 13,028.64
  4. Step 4: Simplify right side
    48,086.08x = 939,779,775.90
  5. Step 5: Solve for x
    x = 939,779,775.90/48,086.08
  6. Step 6: Final answer
    x = 19,543.70

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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.