Home / 47,102.10-70,967.30-42,604.35

Finding the Fourth Proportional to 47,102.10, 70,967.30 and 42,604.35

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Solution

The fourth proportional to 47,102.10, 70,967.30 and 42,604.35 is: 64,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.10 : 70,967.30 = 42,604.35 : x
  2. Step 2: Convert to fraction form
    47,102.10/70,967.30 = 42,604.35/x
  3. Step 3: Cross multiply
    47,102.10x = 70,967.30 × 42,604.35
  4. Step 4: Simplify right side
    47,102.10x = 3,023,515,687.76
  5. Step 5: Solve for x
    x = 3,023,515,687.76/47,102.10
  6. Step 6: Final answer
    x = 64,190.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.