Home / 68,060.55-102,125.34-30,613.02

Finding the Fourth Proportional to 68,060.55, 102,125.34 and 30,613.02

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Solution

The fourth proportional to 68,060.55, 102,125.34 and 30,613.02 is: 45,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,060.55 : 102,125.34 = 30,613.02 : x
  2. Step 2: Convert to fraction form
    68,060.55/102,125.34 = 30,613.02/x
  3. Step 3: Cross multiply
    68,060.55x = 102,125.34 × 30,613.02
  4. Step 4: Simplify right side
    68,060.55x = 3,126,365,075.93
  5. Step 5: Solve for x
    x = 3,126,365,075.93/68,060.55
  6. Step 6: Final answer
    x = 45,935.05

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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.