Home / 74,104.07-111,057.68-47,400.80

Finding the Fourth Proportional to 74,104.07, 111,057.68 and 47,400.80

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Solution

The fourth proportional to 74,104.07, 111,057.68 and 47,400.80 is: 71,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.07 : 111,057.68 = 47,400.80 : x
  2. Step 2: Convert to fraction form
    74,104.07/111,057.68 = 47,400.80/x
  3. Step 3: Cross multiply
    74,104.07x = 111,057.68 × 47,400.80
  4. Step 4: Simplify right side
    74,104.07x = 5,264,222,441.36
  5. Step 5: Solve for x
    x = 5,264,222,441.36/74,104.07
  6. Step 6: Final answer
    x = 71,038.24

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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.