Home / 89,609.76-134,497.67-45,267.73

Finding the Fourth Proportional to 89,609.76, 134,497.67 and 45,267.73

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Solution

The fourth proportional to 89,609.76, 134,497.67 and 45,267.73 is: 67,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,609.76 : 134,497.67 = 45,267.73 : x
  2. Step 2: Convert to fraction form
    89,609.76/134,497.67 = 45,267.73/x
  3. Step 3: Cross multiply
    89,609.76x = 134,497.67 × 45,267.73
  4. Step 4: Simplify right side
    89,609.76x = 6,088,403,648.61
  5. Step 5: Solve for x
    x = 6,088,403,648.61/89,609.76
  6. Step 6: Final answer
    x = 67,943.53

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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.