Home / 48,131.88-72,197.64-13,071.48

Finding the Fourth Proportional to 48,131.88, 72,197.64 and 13,071.48

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Solution

The fourth proportional to 48,131.88, 72,197.64 and 13,071.48 is: 19,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.88 : 72,197.64 = 13,071.48 : x
  2. Step 2: Convert to fraction form
    48,131.88/72,197.64 = 13,071.48/x
  3. Step 3: Cross multiply
    48,131.88x = 72,197.64 × 13,071.48
  4. Step 4: Simplify right side
    48,131.88x = 943,730,007.31
  5. Step 5: Solve for x
    x = 943,730,007.31/48,131.88
  6. Step 6: Final answer
    x = 19,607.17

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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.