Home / 68,341.10-94,170.75-50,407.70

Finding the Fourth Proportional to 68,341.10, 94,170.75 and 50,407.70

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Solution

The fourth proportional to 68,341.10, 94,170.75 and 50,407.70 is: 69,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,341.10 : 94,170.75 = 50,407.70 : x
  2. Step 2: Convert to fraction form
    68,341.10/94,170.75 = 50,407.70/x
  3. Step 3: Cross multiply
    68,341.10x = 94,170.75 × 50,407.70
  4. Step 4: Simplify right side
    68,341.10x = 4,746,930,914.78
  5. Step 5: Solve for x
    x = 4,746,930,914.78/68,341.10
  6. Step 6: Final answer
    x = 69,459.39

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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.