Home / 89,020.18-133,529.86-36,429.67

Finding the Fourth Proportional to 89,020.18, 133,529.86 and 36,429.67

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Solution

The fourth proportional to 89,020.18, 133,529.86 and 36,429.67 is: 54,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.18 : 133,529.86 = 36,429.67 : x
  2. Step 2: Convert to fraction form
    89,020.18/133,529.86 = 36,429.67/x
  3. Step 3: Cross multiply
    89,020.18x = 133,529.86 × 36,429.67
  4. Step 4: Simplify right side
    89,020.18x = 4,864,448,643.87
  5. Step 5: Solve for x
    x = 4,864,448,643.87/89,020.18
  6. Step 6: Final answer
    x = 54,644.34

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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.