Home / 88,108.46-121,560.73-49,864.21

Finding the Fourth Proportional to 88,108.46, 121,560.73 and 49,864.21

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Solution

The fourth proportional to 88,108.46, 121,560.73 and 49,864.21 is: 68,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,108.46 : 121,560.73 = 49,864.21 : x
  2. Step 2: Convert to fraction form
    88,108.46/121,560.73 = 49,864.21/x
  3. Step 3: Cross multiply
    88,108.46x = 121,560.73 × 49,864.21
  4. Step 4: Simplify right side
    88,108.46x = 6,061,529,768.47
  5. Step 5: Solve for x
    x = 6,061,529,768.47/88,108.46
  6. Step 6: Final answer
    x = 68,796.23

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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.