Home / 48,146.68-72,221.52-13,087.08

Finding the Fourth Proportional to 48,146.68, 72,221.52 and 13,087.08

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Solution

The fourth proportional to 48,146.68, 72,221.52 and 13,087.08 is: 19,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.68 : 72,221.52 = 13,087.08 : x
  2. Step 2: Convert to fraction form
    48,146.68/72,221.52 = 13,087.08/x
  3. Step 3: Cross multiply
    48,146.68x = 72,221.52 × 13,087.08
  4. Step 4: Simplify right side
    48,146.68x = 945,168,809.96
  5. Step 5: Solve for x
    x = 945,168,809.96/48,146.68
  6. Step 6: Final answer
    x = 19,631.03

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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.