Home / 79,368.86-109,525.42-43,558.16

Finding the Fourth Proportional to 79,368.86, 109,525.42 and 43,558.16

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Solution

The fourth proportional to 79,368.86, 109,525.42 and 43,558.16 is: 60,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,368.86 : 109,525.42 = 43,558.16 : x
  2. Step 2: Convert to fraction form
    79,368.86/109,525.42 = 43,558.16/x
  3. Step 3: Cross multiply
    79,368.86x = 109,525.42 × 43,558.16
  4. Step 4: Simplify right side
    79,368.86x = 4,770,725,768.43
  5. Step 5: Solve for x
    x = 4,770,725,768.43/79,368.86
  6. Step 6: Final answer
    x = 60,108.28

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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.