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Finding the Fourth Proportional to 79,088.83, 119,183.44 and 71,594.67

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Solution

The fourth proportional to 79,088.83, 119,183.44 and 71,594.67 is: 107,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.83 : 119,183.44 = 71,594.67 : x
  2. Step 2: Convert to fraction form
    79,088.83/119,183.44 = 71,594.67/x
  3. Step 3: Cross multiply
    79,088.83x = 119,183.44 × 71,594.67
  4. Step 4: Simplify right side
    79,088.83x = 8,532,899,056.26
  5. Step 5: Solve for x
    x = 8,532,899,056.26/79,088.83
  6. Step 6: Final answer
    x = 107,890.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.