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Finding the Fourth Proportional to 68,341.60, 102,512.40 and 41,960.80

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Solution

The fourth proportional to 68,341.60, 102,512.40 and 41,960.80 is: 62,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,341.60 : 102,512.40 = 41,960.80 : x
  2. Step 2: Convert to fraction form
    68,341.60/102,512.40 = 41,960.80/x
  3. Step 3: Cross multiply
    68,341.60x = 102,512.40 × 41,960.80
  4. Step 4: Simplify right side
    68,341.60x = 4,301,502,313.92
  5. Step 5: Solve for x
    x = 4,301,502,313.92/68,341.60
  6. Step 6: Final answer
    x = 62,941.20

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1.5x scale

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.