Home / 67,458.23-101,029.78-53,323.32

Finding the Fourth Proportional to 67,458.23, 101,029.78 and 53,323.32

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Solution

The fourth proportional to 67,458.23, 101,029.78 and 53,323.32 is: 79,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.23 : 101,029.78 = 53,323.32 : x
  2. Step 2: Convert to fraction form
    67,458.23/101,029.78 = 53,323.32/x
  3. Step 3: Cross multiply
    67,458.23x = 101,029.78 × 53,323.32
  4. Step 4: Simplify right side
    67,458.23x = 5,387,243,288.47
  5. Step 5: Solve for x
    x = 5,387,243,288.47/67,458.23
  6. Step 6: Final answer
    x = 79,860.43

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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.