Home / 67,259.22-92,816.37-42,122.58

Finding the Fourth Proportional to 67,259.22, 92,816.37 and 42,122.58

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Solution

The fourth proportional to 67,259.22, 92,816.37 and 42,122.58 is: 58,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,259.22 : 92,816.37 = 42,122.58 : x
  2. Step 2: Convert to fraction form
    67,259.22/92,816.37 = 42,122.58/x
  3. Step 3: Cross multiply
    67,259.22x = 92,816.37 × 42,122.58
  4. Step 4: Simplify right side
    67,259.22x = 3,909,664,970.63
  5. Step 5: Solve for x
    x = 3,909,664,970.63/67,259.22
  6. Step 6: Final answer
    x = 58,128.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.