Home / 89,011.58-133,518.71-29,039.78

Finding the Fourth Proportional to 89,011.58, 133,518.71 and 29,039.78

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Solution

The fourth proportional to 89,011.58, 133,518.71 and 29,039.78 is: 43,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.58 : 133,518.71 = 29,039.78 : x
  2. Step 2: Convert to fraction form
    89,011.58/133,518.71 = 29,039.78/x
  3. Step 3: Cross multiply
    89,011.58x = 133,518.71 × 29,039.78
  4. Step 4: Simplify right side
    89,011.58x = 3,877,354,370.68
  5. Step 5: Solve for x
    x = 3,877,354,370.68/89,011.58
  6. Step 6: Final answer
    x = 43,560.11

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1.5x scale

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.