Home / 75,662.55-113,491.40-31,276.17

Finding the Fourth Proportional to 75,662.55, 113,491.40 and 31,276.17

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Solution

The fourth proportional to 75,662.55, 113,491.40 and 31,276.17 is: 46,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,662.55 : 113,491.40 = 31,276.17 : x
  2. Step 2: Convert to fraction form
    75,662.55/113,491.40 = 31,276.17/x
  3. Step 3: Cross multiply
    75,662.55x = 113,491.40 × 31,276.17
  4. Step 4: Simplify right side
    75,662.55x = 3,549,576,163.56
  5. Step 5: Solve for x
    x = 3,549,576,163.56/75,662.55
  6. Step 6: Final answer
    x = 46,913.25

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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.