Home / 78,315.84-108,081.18-44,324.34

Finding the Fourth Proportional to 78,315.84, 108,081.18 and 44,324.34

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Solution

The fourth proportional to 78,315.84, 108,081.18 and 44,324.34 is: 61,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,315.84 : 108,081.18 = 44,324.34 : x
  2. Step 2: Convert to fraction form
    78,315.84/108,081.18 = 44,324.34/x
  3. Step 3: Cross multiply
    78,315.84x = 108,081.18 × 44,324.34
  4. Step 4: Simplify right side
    78,315.84x = 4,790,626,969.92
  5. Step 5: Solve for x
    x = 4,790,626,969.92/78,315.84
  6. Step 6: Final answer
    x = 61,170.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.