Home / 75,358.40-113,050.56-31,009.28

Finding the Fourth Proportional to 75,358.40, 113,050.56 and 31,009.28

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Solution

The fourth proportional to 75,358.40, 113,050.56 and 31,009.28 is: 46,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,358.40 : 113,050.56 = 31,009.28 : x
  2. Step 2: Convert to fraction form
    75,358.40/113,050.56 = 31,009.28/x
  3. Step 3: Cross multiply
    75,358.40x = 113,050.56 × 31,009.28
  4. Step 4: Simplify right side
    75,358.40x = 3,505,616,469.20
  5. Step 5: Solve for x
    x = 3,505,616,469.20/75,358.40
  6. Step 6: Final answer
    x = 46,519.25

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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.