Home / 49,918.83-74,967.48-47,912.10

Finding the Fourth Proportional to 49,918.83, 74,967.48 and 47,912.10

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Solution

The fourth proportional to 49,918.83, 74,967.48 and 47,912.10 is: 71,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918.83 : 74,967.48 = 47,912.10 : x
  2. Step 2: Convert to fraction form
    49,918.83/74,967.48 = 47,912.10/x
  3. Step 3: Cross multiply
    49,918.83x = 74,967.48 × 47,912.10
  4. Step 4: Simplify right side
    49,918.83x = 3,591,849,398.51
  5. Step 5: Solve for x
    x = 3,591,849,398.51/49,918.83
  6. Step 6: Final answer
    x = 71,953.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.