Home / 89,190.72-133,806.56-30,024.81

Finding the Fourth Proportional to 89,190.72, 133,806.56 and 30,024.81

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Solution

The fourth proportional to 89,190.72, 133,806.56 and 30,024.81 is: 45,044.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,190.72 : 133,806.56 = 30,024.81 : x
  2. Step 2: Convert to fraction form
    89,190.72/133,806.56 = 30,024.81/x
  3. Step 3: Cross multiply
    89,190.72x = 133,806.56 × 30,024.81
  4. Step 4: Simplify right side
    89,190.72x = 4,017,516,390.63
  5. Step 5: Solve for x
    x = 4,017,516,390.63/89,190.72
  6. Step 6: Final answer
    x = 45,044.11

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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.