Home / 90,126.08-135,196.36-26,941.60

Finding the Fourth Proportional to 90,126.08, 135,196.36 and 26,941.60

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Solution

The fourth proportional to 90,126.08, 135,196.36 and 26,941.60 is: 40,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,126.08 : 135,196.36 = 26,941.60 : x
  2. Step 2: Convert to fraction form
    90,126.08/135,196.36 = 26,941.60/x
  3. Step 3: Cross multiply
    90,126.08x = 135,196.36 × 26,941.60
  4. Step 4: Simplify right side
    90,126.08x = 3,642,406,252.58
  5. Step 5: Solve for x
    x = 3,642,406,252.58/90,126.08
  6. Step 6: Final answer
    x = 40,414.56

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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.