Home / 56,849.19-78,452.49-31,356.66

Finding the Fourth Proportional to 56,849.19, 78,452.49 and 31,356.66

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Solution

The fourth proportional to 56,849.19, 78,452.49 and 31,356.66 is: 43,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.19 : 78,452.49 = 31,356.66 : x
  2. Step 2: Convert to fraction form
    56,849.19/78,452.49 = 31,356.66/x
  3. Step 3: Cross multiply
    56,849.19x = 78,452.49 × 31,356.66
  4. Step 4: Simplify right side
    56,849.19x = 2,460,008,055.08
  5. Step 5: Solve for x
    x = 2,460,008,055.08/56,849.19
  6. Step 6: Final answer
    x = 43,272.53

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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.