Home / 77,301.60-115,776.36-46,072.32

Finding the Fourth Proportional to 77,301.60, 115,776.36 and 46,072.32

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Solution

The fourth proportional to 77,301.60, 115,776.36 and 46,072.32 is: 69,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,301.60 : 115,776.36 = 46,072.32 : x
  2. Step 2: Convert to fraction form
    77,301.60/115,776.36 = 46,072.32/x
  3. Step 3: Cross multiply
    77,301.60x = 115,776.36 × 46,072.32
  4. Step 4: Simplify right side
    77,301.60x = 5,334,085,506.36
  5. Step 5: Solve for x
    x = 5,334,085,506.36/77,301.60
  6. Step 6: Final answer
    x = 69,003.56

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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.