Home / 89,139.84-133,636.80-44,712.96

Finding the Fourth Proportional to 89,139.84, 133,636.80 and 44,712.96

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Solution

The fourth proportional to 89,139.84, 133,636.80 and 44,712.96 is: 67,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,139.84 : 133,636.80 = 44,712.96 : x
  2. Step 2: Convert to fraction form
    89,139.84/133,636.80 = 44,712.96/x
  3. Step 3: Cross multiply
    89,139.84x = 133,636.80 × 44,712.96
  4. Step 4: Simplify right side
    89,139.84x = 5,975,296,892.93
  5. Step 5: Solve for x
    x = 5,975,296,892.93/89,139.84
  6. Step 6: Final answer
    x = 67,032.84

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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.