Home / 79,457.22-109,535.49-55,509.57

Finding the Fourth Proportional to 79,457.22, 109,535.49 and 55,509.57

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Solution

The fourth proportional to 79,457.22, 109,535.49 and 55,509.57 is: 76,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,457.22 : 109,535.49 = 55,509.57 : x
  2. Step 2: Convert to fraction form
    79,457.22/109,535.49 = 55,509.57/x
  3. Step 3: Cross multiply
    79,457.22x = 109,535.49 × 55,509.57
  4. Step 4: Simplify right side
    79,457.22x = 6,080,267,949.64
  5. Step 5: Solve for x
    x = 6,080,267,949.64/79,457.22
  6. Step 6: Final answer
    x = 76,522.54

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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.