Home / 68,288-94,263.36-45,944.96

Finding the Fourth Proportional to 68,288, 94,263.36 and 45,944.96

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Solution

The fourth proportional to 68,288, 94,263.36 and 45,944.96 is: 63,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288 : 94,263.36 = 45,944.96 : x
  2. Step 2: Convert to fraction form
    68,288/94,263.36 = 45,944.96/x
  3. Step 3: Cross multiply
    68,288x = 94,263.36 × 45,944.96
  4. Step 4: Simplify right side
    68,288x = 4,330,926,304.67
  5. Step 5: Solve for x
    x = 4,330,926,304.67/68,288
  6. Step 6: Final answer
    x = 63,421.48

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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.