Home / 72,994.11-100,712.81-42,763.18

Finding the Fourth Proportional to 72,994.11, 100,712.81 and 42,763.18

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Solution

The fourth proportional to 72,994.11, 100,712.81 and 42,763.18 is: 59,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,994.11 : 100,712.81 = 42,763.18 : x
  2. Step 2: Convert to fraction form
    72,994.11/100,712.81 = 42,763.18/x
  3. Step 3: Cross multiply
    72,994.11x = 100,712.81 × 42,763.18
  4. Step 4: Simplify right side
    72,994.11x = 4,306,800,022.34
  5. Step 5: Solve for x
    x = 4,306,800,022.34/72,994.11
  6. Step 6: Final answer
    x = 59,002.02

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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.