Home / 103,025.70-154,423.35-43,851.30

Finding the Fourth Proportional to 103,025.70, 154,423.35 and 43,851.30

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Solution

The fourth proportional to 103,025.70, 154,423.35 and 43,851.30 is: 65,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,025.70 : 154,423.35 = 43,851.30 : x
  2. Step 2: Convert to fraction form
    103,025.70/154,423.35 = 43,851.30/x
  3. Step 3: Cross multiply
    103,025.70x = 154,423.35 × 43,851.30
  4. Step 4: Simplify right side
    103,025.70x = 6,771,664,647.86
  5. Step 5: Solve for x
    x = 6,771,664,647.86/103,025.70
  6. Step 6: Final answer
    x = 65,727.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.