Home / 53,691.72-74,131.64-33,557.65

Finding the Fourth Proportional to 53,691.72, 74,131.64 and 33,557.65

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Solution

The fourth proportional to 53,691.72, 74,131.64 and 33,557.65 is: 46,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.72 : 74,131.64 = 33,557.65 : x
  2. Step 2: Convert to fraction form
    53,691.72/74,131.64 = 33,557.65/x
  3. Step 3: Cross multiply
    53,691.72x = 74,131.64 × 33,557.65
  4. Step 4: Simplify right side
    53,691.72x = 2,487,683,629.05
  5. Step 5: Solve for x
    x = 2,487,683,629.05/53,691.72
  6. Step 6: Final answer
    x = 46,332.72

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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.