Home / 49,423.65-68,201.40-30,557.13

Finding the Fourth Proportional to 49,423.65, 68,201.40 and 30,557.13

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Solution

The fourth proportional to 49,423.65, 68,201.40 and 30,557.13 is: 42,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423.65 : 68,201.40 = 30,557.13 : x
  2. Step 2: Convert to fraction form
    49,423.65/68,201.40 = 30,557.13/x
  3. Step 3: Cross multiply
    49,423.65x = 68,201.40 × 30,557.13
  4. Step 4: Simplify right side
    49,423.65x = 2,084,039,045.98
  5. Step 5: Solve for x
    x = 2,084,039,045.98/49,423.65
  6. Step 6: Final answer
    x = 42,166.84

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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.