Home / 88,417.32-122,015.92-48,131.39

Finding the Fourth Proportional to 88,417.32, 122,015.92 and 48,131.39

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Solution

The fourth proportional to 88,417.32, 122,015.92 and 48,131.39 is: 66,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,417.32 : 122,015.92 = 48,131.39 : x
  2. Step 2: Convert to fraction form
    88,417.32/122,015.92 = 48,131.39/x
  3. Step 3: Cross multiply
    88,417.32x = 122,015.92 × 48,131.39
  4. Step 4: Simplify right side
    88,417.32x = 5,872,795,831.73
  5. Step 5: Solve for x
    x = 5,872,795,831.73/88,417.32
  6. Step 6: Final answer
    x = 66,421.33

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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.