Home / 68,225.72-94,145.10-50,330.68

Finding the Fourth Proportional to 68,225.72, 94,145.10 and 50,330.68

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Solution

The fourth proportional to 68,225.72, 94,145.10 and 50,330.68 is: 69,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,225.72 : 94,145.10 = 50,330.68 : x
  2. Step 2: Convert to fraction form
    68,225.72/94,145.10 = 50,330.68/x
  3. Step 3: Cross multiply
    68,225.72x = 94,145.10 × 50,330.68
  4. Step 4: Simplify right side
    68,225.72x = 4,738,386,901.67
  5. Step 5: Solve for x
    x = 4,738,386,901.67/68,225.72
  6. Step 6: Final answer
    x = 69,451.62

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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.