Home / 61,237.47-91,814.43-31,177.83

Finding the Fourth Proportional to 61,237.47, 91,814.43 and 31,177.83

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Solution

The fourth proportional to 61,237.47, 91,814.43 and 31,177.83 is: 46,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237.47 : 91,814.43 = 31,177.83 : x
  2. Step 2: Convert to fraction form
    61,237.47/91,814.43 = 31,177.83/x
  3. Step 3: Cross multiply
    61,237.47x = 91,814.43 × 31,177.83
  4. Step 4: Simplify right side
    61,237.47x = 2,862,574,690.09
  5. Step 5: Solve for x
    x = 2,862,574,690.09/61,237.47
  6. Step 6: Final answer
    x = 46,745.48

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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.