Home / 89,068.68-133,430.04-79,604.64

Finding the Fourth Proportional to 89,068.68, 133,430.04 and 79,604.64

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Solution

The fourth proportional to 89,068.68, 133,430.04 and 79,604.64 is: 119,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068.68 : 133,430.04 = 79,604.64 : x
  2. Step 2: Convert to fraction form
    89,068.68/133,430.04 = 79,604.64/x
  3. Step 3: Cross multiply
    89,068.68x = 133,430.04 × 79,604.64
  4. Step 4: Simplify right side
    89,068.68x = 10,621,650,299.39
  5. Step 5: Solve for x
    x = 10,621,650,299.39/89,068.68
  6. Step 6: Final answer
    x = 119,252.36

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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.