Home / 48,086.03-72,129.06-13,025.70

Finding the Fourth Proportional to 48,086.03, 72,129.06 and 13,025.70

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Solution

The fourth proportional to 48,086.03, 72,129.06 and 13,025.70 is: 19,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,086.03 : 72,129.06 = 13,025.70 : x
  2. Step 2: Convert to fraction form
    48,086.03/72,129.06 = 13,025.70/x
  3. Step 3: Cross multiply
    48,086.03x = 72,129.06 × 13,025.70
  4. Step 4: Simplify right side
    48,086.03x = 939,531,496.84
  5. Step 5: Solve for x
    x = 939,531,496.84/48,086.03
  6. Step 6: Final answer
    x = 19,538.55

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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.