Home / 46,782.51-64,605.29-40,028.60

Finding the Fourth Proportional to 46,782.51, 64,605.29 and 40,028.60

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Solution

The fourth proportional to 46,782.51, 64,605.29 and 40,028.60 is: 55,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,782.51 : 64,605.29 = 40,028.60 : x
  2. Step 2: Convert to fraction form
    46,782.51/64,605.29 = 40,028.60/x
  3. Step 3: Cross multiply
    46,782.51x = 64,605.29 × 40,028.60
  4. Step 4: Simplify right side
    46,782.51x = 2,586,058,788.12
  5. Step 5: Solve for x
    x = 2,586,058,788.12/46,782.51
  6. Step 6: Final answer
    x = 55,278.32

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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.