Home / 89,290.80-133,956.66-38,698.34

Finding the Fourth Proportional to 89,290.80, 133,956.66 and 38,698.34

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Solution

The fourth proportional to 89,290.80, 133,956.66 and 38,698.34 is: 58,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,290.80 : 133,956.66 = 38,698.34 : x
  2. Step 2: Convert to fraction form
    89,290.80/133,956.66 = 38,698.34/x
  3. Step 3: Cross multiply
    89,290.80x = 133,956.66 × 38,698.34
  4. Step 4: Simplify right side
    89,290.80x = 5,183,900,373.94
  5. Step 5: Solve for x
    x = 5,183,900,373.94/89,290.80
  6. Step 6: Final answer
    x = 58,056.38

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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.