Home / 55,831.80-83,721.30-32,465.40

Finding the Fourth Proportional to 55,831.80, 83,721.30 and 32,465.40

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Solution

The fourth proportional to 55,831.80, 83,721.30 and 32,465.40 is: 48,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.80 : 83,721.30 = 32,465.40 : x
  2. Step 2: Convert to fraction form
    55,831.80/83,721.30 = 32,465.40/x
  3. Step 3: Cross multiply
    55,831.80x = 83,721.30 × 32,465.40
  4. Step 4: Simplify right side
    55,831.80x = 2,718,045,493.02
  5. Step 5: Solve for x
    x = 2,718,045,493.02/55,831.80
  6. Step 6: Final answer
    x = 48,682.75

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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.