Home / 67,782.26-101,548.68-42,477.06

Finding the Fourth Proportional to 67,782.26, 101,548.68 and 42,477.06

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Solution

The fourth proportional to 67,782.26, 101,548.68 and 42,477.06 is: 63,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,782.26 : 101,548.68 = 42,477.06 : x
  2. Step 2: Convert to fraction form
    67,782.26/101,548.68 = 42,477.06/x
  3. Step 3: Cross multiply
    67,782.26x = 101,548.68 × 42,477.06
  4. Step 4: Simplify right side
    67,782.26x = 4,313,489,373.28
  5. Step 5: Solve for x
    x = 4,313,489,373.28/67,782.26
  6. Step 6: Final answer
    x = 63,637.44

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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.