Home / 67,654.34-93,408.93-42,170.90

Finding the Fourth Proportional to 67,654.34, 93,408.93 and 42,170.90

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Solution

The fourth proportional to 67,654.34, 93,408.93 and 42,170.90 is: 58,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,654.34 : 93,408.93 = 42,170.90 : x
  2. Step 2: Convert to fraction form
    67,654.34/93,408.93 = 42,170.90/x
  3. Step 3: Cross multiply
    67,654.34x = 93,408.93 × 42,170.90
  4. Step 4: Simplify right side
    67,654.34x = 3,939,138,646.14
  5. Step 5: Solve for x
    x = 3,939,138,646.14/67,654.34
  6. Step 6: Final answer
    x = 58,224.48

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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.