Home / 78,401.54-108,190.67-44,409.34

Finding the Fourth Proportional to 78,401.54, 108,190.67 and 44,409.34

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Solution

The fourth proportional to 78,401.54, 108,190.67 and 44,409.34 is: 61,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,401.54 : 108,190.67 = 44,409.34 : x
  2. Step 2: Convert to fraction form
    78,401.54/108,190.67 = 44,409.34/x
  3. Step 3: Cross multiply
    78,401.54x = 108,190.67 × 44,409.34
  4. Step 4: Simplify right side
    78,401.54x = 4,804,676,162.05
  5. Step 5: Solve for x
    x = 4,804,676,162.05/78,401.54
  6. Step 6: Final answer
    x = 61,282.93

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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.