Home / 67,871.10-101,782.26-23,485.80

Finding the Fourth Proportional to 67,871.10, 101,782.26 and 23,485.80

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Solution

The fourth proportional to 67,871.10, 101,782.26 and 23,485.80 is: 35,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.10 : 101,782.26 = 23,485.80 : x
  2. Step 2: Convert to fraction form
    67,871.10/101,782.26 = 23,485.80/x
  3. Step 3: Cross multiply
    67,871.10x = 101,782.26 × 23,485.80
  4. Step 4: Simplify right side
    67,871.10x = 2,390,437,801.91
  5. Step 5: Solve for x
    x = 2,390,437,801.91/67,871.10
  6. Step 6: Final answer
    x = 35,220.26

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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.