Home / 48,074.88-72,112.38-12,536.17

Finding the Fourth Proportional to 48,074.88, 72,112.38 and 12,536.17

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Solution

The fourth proportional to 48,074.88, 72,112.38 and 12,536.17 is: 18,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,074.88 : 72,112.38 = 12,536.17 : x
  2. Step 2: Convert to fraction form
    48,074.88/72,112.38 = 12,536.17/x
  3. Step 3: Cross multiply
    48,074.88x = 72,112.38 × 12,536.17
  4. Step 4: Simplify right side
    48,074.88x = 904,012,992.10
  5. Step 5: Solve for x
    x = 904,012,992.10/48,074.88
  6. Step 6: Final answer
    x = 18,804.27

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1.5x scale

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.