Home / 48,056.74-72,079.64-12,993.66

Finding the Fourth Proportional to 48,056.74, 72,079.64 and 12,993.66

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Solution

The fourth proportional to 48,056.74, 72,079.64 and 12,993.66 is: 19,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,056.74 : 72,079.64 = 12,993.66 : x
  2. Step 2: Convert to fraction form
    48,056.74/72,079.64 = 12,993.66/x
  3. Step 3: Cross multiply
    48,056.74x = 72,079.64 × 12,993.66
  4. Step 4: Simplify right side
    48,056.74x = 936,578,270.11
  5. Step 5: Solve for x
    x = 936,578,270.11/48,056.74
  6. Step 6: Final answer
    x = 19,489.01

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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.