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Finding the Fourth Proportional to 68,396.76, 94,313.16 and 44,479.08

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Solution

The fourth proportional to 68,396.76, 94,313.16 and 44,479.08 is: 61,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,396.76 : 94,313.16 = 44,479.08 : x
  2. Step 2: Convert to fraction form
    68,396.76/94,313.16 = 44,479.08/x
  3. Step 3: Cross multiply
    68,396.76x = 94,313.16 × 44,479.08
  4. Step 4: Simplify right side
    68,396.76x = 4,194,962,588.69
  5. Step 5: Solve for x
    x = 4,194,962,588.69/68,396.76
  6. Step 6: Final answer
    x = 61,332.77

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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.