Home / 90,096.18-124,333.11-49,809.66

Finding the Fourth Proportional to 90,096.18, 124,333.11 and 49,809.66

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Solution

The fourth proportional to 90,096.18, 124,333.11 and 49,809.66 is: 68,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,096.18 : 124,333.11 = 49,809.66 : x
  2. Step 2: Convert to fraction form
    90,096.18/124,333.11 = 49,809.66/x
  3. Step 3: Cross multiply
    90,096.18x = 124,333.11 × 49,809.66
  4. Step 4: Simplify right side
    90,096.18x = 6,192,989,935.84
  5. Step 5: Solve for x
    x = 6,192,989,935.84/90,096.18
  6. Step 6: Final answer
    x = 68,737.54

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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.