Home / 48,780.93-73,162.89-13,712.25

Finding the Fourth Proportional to 48,780.93, 73,162.89 and 13,712.25

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Solution

The fourth proportional to 48,780.93, 73,162.89 and 13,712.25 is: 20,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.93 : 73,162.89 = 13,712.25 : x
  2. Step 2: Convert to fraction form
    48,780.93/73,162.89 = 13,712.25/x
  3. Step 3: Cross multiply
    48,780.93x = 73,162.89 × 13,712.25
  4. Step 4: Simplify right side
    48,780.93x = 1,003,227,838.40
  5. Step 5: Solve for x
    x = 1,003,227,838.40/48,780.93
  6. Step 6: Final answer
    x = 20,565.98

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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.