Home / 79,038.22-109,022.88-55,156.18

Finding the Fourth Proportional to 79,038.22, 109,022.88 and 55,156.18

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Solution

The fourth proportional to 79,038.22, 109,022.88 and 55,156.18 is: 76,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,038.22 : 109,022.88 = 55,156.18 : x
  2. Step 2: Convert to fraction form
    79,038.22/109,022.88 = 55,156.18/x
  3. Step 3: Cross multiply
    79,038.22x = 109,022.88 × 55,156.18
  4. Step 4: Simplify right side
    79,038.22x = 6,013,285,593.40
  5. Step 5: Solve for x
    x = 6,013,285,593.40/79,038.22
  6. Step 6: Final answer
    x = 76,080.73

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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.