Home / 79,400.32-109,450.56-62,604.16

Finding the Fourth Proportional to 79,400.32, 109,450.56 and 62,604.16

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Solution

The fourth proportional to 79,400.32, 109,450.56 and 62,604.16 is: 86,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,400.32 : 109,450.56 = 62,604.16 : x
  2. Step 2: Convert to fraction form
    79,400.32/109,450.56 = 62,604.16/x
  3. Step 3: Cross multiply
    79,400.32x = 109,450.56 × 62,604.16
  4. Step 4: Simplify right side
    79,400.32x = 6,852,060,370.33
  5. Step 5: Solve for x
    x = 6,852,060,370.33/79,400.32
  6. Step 6: Final answer
    x = 86,297.64

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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.