Home / 88,118.52-121,603.16-47,831.96

Finding the Fourth Proportional to 88,118.52, 121,603.16 and 47,831.96

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Solution

The fourth proportional to 88,118.52, 121,603.16 and 47,831.96 is: 66,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,118.52 : 121,603.16 = 47,831.96 : x
  2. Step 2: Convert to fraction form
    88,118.52/121,603.16 = 47,831.96/x
  3. Step 3: Cross multiply
    88,118.52x = 121,603.16 × 47,831.96
  4. Step 4: Simplify right side
    88,118.52x = 5,816,516,637.82
  5. Step 5: Solve for x
    x = 5,816,516,637.82/88,118.52
  6. Step 6: Final answer
    x = 66,007.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.