Home / 90,791.12-125,325.96-53,077.52

Finding the Fourth Proportional to 90,791.12, 125,325.96 and 53,077.52

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Solution

The fourth proportional to 90,791.12, 125,325.96 and 53,077.52 is: 73,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,791.12 : 125,325.96 = 53,077.52 : x
  2. Step 2: Convert to fraction form
    90,791.12/125,325.96 = 53,077.52/x
  3. Step 3: Cross multiply
    90,791.12x = 125,325.96 × 53,077.52
  4. Step 4: Simplify right side
    90,791.12x = 6,651,991,148.42
  5. Step 5: Solve for x
    x = 6,651,991,148.42/90,791.12
  6. Step 6: Final answer
    x = 73,266.98

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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.