Home / 88,281.92-121,831.46-47,998.39

Finding the Fourth Proportional to 88,281.92, 121,831.46 and 47,998.39

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Solution

The fourth proportional to 88,281.92, 121,831.46 and 47,998.39 is: 66,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,281.92 : 121,831.46 = 47,998.39 : x
  2. Step 2: Convert to fraction form
    88,281.92/121,831.46 = 47,998.39/x
  3. Step 3: Cross multiply
    88,281.92x = 121,831.46 × 47,998.39
  4. Step 4: Simplify right side
    88,281.92x = 5,847,713,931.35
  5. Step 5: Solve for x
    x = 5,847,713,931.35/88,281.92
  6. Step 6: Final answer
    x = 66,239.09

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1.5x scale

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.