Home / 66,035.20-99,125.70-41,103.40

Finding the Fourth Proportional to 66,035.20, 99,125.70 and 41,103.40

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Solution

The fourth proportional to 66,035.20, 99,125.70 and 41,103.40 is: 61,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035.20 : 99,125.70 = 41,103.40 : x
  2. Step 2: Convert to fraction form
    66,035.20/99,125.70 = 41,103.40/x
  3. Step 3: Cross multiply
    66,035.20x = 99,125.70 × 41,103.40
  4. Step 4: Simplify right side
    66,035.20x = 4,074,403,297.38
  5. Step 5: Solve for x
    x = 4,074,403,297.38/66,035.20
  6. Step 6: Final answer
    x = 61,700.48

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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.