Home / 88,117.80-121,602.66-47,831.52

Finding the Fourth Proportional to 88,117.80, 121,602.66 and 47,831.52

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Solution

The fourth proportional to 88,117.80, 121,602.66 and 47,831.52 is: 66,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,117.80 : 121,602.66 = 47,831.52 : x
  2. Step 2: Convert to fraction form
    88,117.80/121,602.66 = 47,831.52/x
  3. Step 3: Cross multiply
    88,117.80x = 121,602.66 × 47,831.52
  4. Step 4: Simplify right side
    88,117.80x = 5,816,440,063.84
  5. Step 5: Solve for x
    x = 5,816,440,063.84/88,117.80
  6. Step 6: Final answer
    x = 66,007.55

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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.