Home / 90,096.65-124,330.95-49,812.11

Finding the Fourth Proportional to 90,096.65, 124,330.95 and 49,812.11

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Solution

The fourth proportional to 90,096.65, 124,330.95 and 49,812.11 is: 68,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,096.65 : 124,330.95 = 49,812.11 : x
  2. Step 2: Convert to fraction form
    90,096.65/124,330.95 = 49,812.11/x
  3. Step 3: Cross multiply
    90,096.65x = 124,330.95 × 49,812.11
  4. Step 4: Simplify right side
    90,096.65x = 6,193,187,501.75
  5. Step 5: Solve for x
    x = 6,193,187,501.75/90,096.65
  6. Step 6: Final answer
    x = 68,739.37

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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.