Home / 90,733.56-125,227.84-58,459.12

Finding the Fourth Proportional to 90,733.56, 125,227.84 and 58,459.12

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Solution

The fourth proportional to 90,733.56, 125,227.84 and 58,459.12 is: 80,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,733.56 : 125,227.84 = 58,459.12 : x
  2. Step 2: Convert to fraction form
    90,733.56/125,227.84 = 58,459.12/x
  3. Step 3: Cross multiply
    90,733.56x = 125,227.84 × 58,459.12
  4. Step 4: Simplify right side
    90,733.56x = 7,320,709,325.90
  5. Step 5: Solve for x
    x = 7,320,709,325.90/90,733.56
  6. Step 6: Final answer
    x = 80,683.59

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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.