Home / 88,923.57-122,712.79-48,637.21

Finding the Fourth Proportional to 88,923.57, 122,712.79 and 48,637.21

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Solution

The fourth proportional to 88,923.57, 122,712.79 and 48,637.21 is: 67,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,923.57 : 122,712.79 = 48,637.21 : x
  2. Step 2: Convert to fraction form
    88,923.57/122,712.79 = 48,637.21/x
  3. Step 3: Cross multiply
    88,923.57x = 122,712.79 × 48,637.21
  4. Step 4: Simplify right side
    88,923.57x = 5,968,407,736.92
  5. Step 5: Solve for x
    x = 5,968,407,736.92/88,923.57
  6. Step 6: Final answer
    x = 67,118.40

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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.