Home / 89,128.98-133,697.58-36,501.56

Finding the Fourth Proportional to 89,128.98, 133,697.58 and 36,501.56

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Solution

The fourth proportional to 89,128.98, 133,697.58 and 36,501.56 is: 54,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,128.98 : 133,697.58 = 36,501.56 : x
  2. Step 2: Convert to fraction form
    89,128.98/133,697.58 = 36,501.56/x
  3. Step 3: Cross multiply
    89,128.98x = 133,697.58 × 36,501.56
  4. Step 4: Simplify right side
    89,128.98x = 4,880,170,238.22
  5. Step 5: Solve for x
    x = 4,880,170,238.22/89,128.98
  6. Step 6: Final answer
    x = 54,754.02

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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.