Home / 79,409.30-119,088.66-26,088.90

Finding the Fourth Proportional to 79,409.30, 119,088.66 and 26,088.90

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Solution

The fourth proportional to 79,409.30, 119,088.66 and 26,088.90 is: 39,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,409.30 : 119,088.66 = 26,088.90 : x
  2. Step 2: Convert to fraction form
    79,409.30/119,088.66 = 26,088.90/x
  3. Step 3: Cross multiply
    79,409.30x = 119,088.66 × 26,088.90
  4. Step 4: Simplify right side
    79,409.30x = 3,106,892,141.87
  5. Step 5: Solve for x
    x = 3,106,892,141.87/79,409.30
  6. Step 6: Final answer
    x = 39,125.04

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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.