Home / 68,355.45-94,308.12-38,135.16

Finding the Fourth Proportional to 68,355.45, 94,308.12 and 38,135.16

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Solution

The fourth proportional to 68,355.45, 94,308.12 and 38,135.16 is: 52,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,355.45 : 94,308.12 = 38,135.16 : x
  2. Step 2: Convert to fraction form
    68,355.45/94,308.12 = 38,135.16/x
  3. Step 3: Cross multiply
    68,355.45x = 94,308.12 × 38,135.16
  4. Step 4: Simplify right side
    68,355.45x = 3,596,455,245.50
  5. Step 5: Solve for x
    x = 3,596,455,245.50/68,355.45
  6. Step 6: Final answer
    x = 52,614.02

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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.