Home / 77,540.32-116,133.36-46,311.52

Finding the Fourth Proportional to 77,540.32, 116,133.36 and 46,311.52

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Solution

The fourth proportional to 77,540.32, 116,133.36 and 46,311.52 is: 69,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,540.32 : 116,133.36 = 46,311.52 : x
  2. Step 2: Convert to fraction form
    77,540.32/116,133.36 = 46,311.52/x
  3. Step 3: Cross multiply
    77,540.32x = 116,133.36 × 46,311.52
  4. Step 4: Simplify right side
    77,540.32x = 5,378,312,424.31
  5. Step 5: Solve for x
    x = 5,378,312,424.31/77,540.32
  6. Step 6: Final answer
    x = 69,361.49

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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.