Home / 89,231.96-133,820.60-30,051.74

Finding the Fourth Proportional to 89,231.96, 133,820.60 and 30,051.74

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Solution

The fourth proportional to 89,231.96, 133,820.60 and 30,051.74 is: 45,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,231.96 : 133,820.60 = 30,051.74 : x
  2. Step 2: Convert to fraction form
    89,231.96/133,820.60 = 30,051.74/x
  3. Step 3: Cross multiply
    89,231.96x = 133,820.60 × 30,051.74
  4. Step 4: Simplify right side
    89,231.96x = 4,021,541,058.48
  5. Step 5: Solve for x
    x = 4,021,541,058.48/89,231.96
  6. Step 6: Final answer
    x = 45,068.40

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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.