Home / 48,121.77-72,186.30-13,064.16

Finding the Fourth Proportional to 48,121.77, 72,186.30 and 13,064.16

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Solution

The fourth proportional to 48,121.77, 72,186.30 and 13,064.16 is: 19,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.77 : 72,186.30 = 13,064.16 : x
  2. Step 2: Convert to fraction form
    48,121.77/72,186.30 = 13,064.16/x
  3. Step 3: Cross multiply
    48,121.77x = 72,186.30 × 13,064.16
  4. Step 4: Simplify right side
    48,121.77x = 943,053,373.01
  5. Step 5: Solve for x
    x = 943,053,373.01/48,121.77
  6. Step 6: Final answer
    x = 19,597.23

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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.