Home / 66,035.18-91,126.76-40,184.04

Finding the Fourth Proportional to 66,035.18, 91,126.76 and 40,184.04

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Solution

The fourth proportional to 66,035.18, 91,126.76 and 40,184.04 is: 55,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035.18 : 91,126.76 = 40,184.04 : x
  2. Step 2: Convert to fraction form
    66,035.18/91,126.76 = 40,184.04/x
  3. Step 3: Cross multiply
    66,035.18x = 91,126.76 × 40,184.04
  4. Step 4: Simplify right side
    66,035.18x = 3,661,841,368.91
  5. Step 5: Solve for x
    x = 3,661,841,368.91/66,035.18
  6. Step 6: Final answer
    x = 55,452.89

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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.