Home / 49,903.96-68,862.78-31,026.52

Finding the Fourth Proportional to 49,903.96, 68,862.78 and 31,026.52

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Solution

The fourth proportional to 49,903.96, 68,862.78 and 31,026.52 is: 42,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.96 : 68,862.78 = 31,026.52 : x
  2. Step 2: Convert to fraction form
    49,903.96/68,862.78 = 31,026.52/x
  3. Step 3: Cross multiply
    49,903.96x = 68,862.78 × 31,026.52
  4. Step 4: Simplify right side
    49,903.96x = 2,136,572,420.93
  5. Step 5: Solve for x
    x = 2,136,572,420.93/49,903.96
  6. Step 6: Final answer
    x = 42,813.68

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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.