Home / 89,645.44-134,384.63-30,440.62

Finding the Fourth Proportional to 89,645.44, 134,384.63 and 30,440.62

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Solution

The fourth proportional to 89,645.44, 134,384.63 and 30,440.62 is: 45,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,645.44 : 134,384.63 = 30,440.62 : x
  2. Step 2: Convert to fraction form
    89,645.44/134,384.63 = 30,440.62/x
  3. Step 3: Cross multiply
    89,645.44x = 134,384.63 × 30,440.62
  4. Step 4: Simplify right side
    89,645.44x = 4,090,750,783.75
  5. Step 5: Solve for x
    x = 4,090,750,783.75/89,645.44
  6. Step 6: Final answer
    x = 45,632.56

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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.