Home / 48,443.17-72,664.66-12,904.51

Finding the Fourth Proportional to 48,443.17, 72,664.66 and 12,904.51

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Solution

The fourth proportional to 48,443.17, 72,664.66 and 12,904.51 is: 19,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.17 : 72,664.66 = 12,904.51 : x
  2. Step 2: Convert to fraction form
    48,443.17/72,664.66 = 12,904.51/x
  3. Step 3: Cross multiply
    48,443.17x = 72,664.66 × 12,904.51
  4. Step 4: Simplify right side
    48,443.17x = 937,701,831.62
  5. Step 5: Solve for x
    x = 937,701,831.62/48,443.17
  6. Step 6: Final answer
    x = 19,356.74

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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.