Home / 49,644.12-68,502.78-29,501.40

Finding the Fourth Proportional to 49,644.12, 68,502.78 and 29,501.40

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Solution

The fourth proportional to 49,644.12, 68,502.78 and 29,501.40 is: 40,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,644.12 : 68,502.78 = 29,501.40 : x
  2. Step 2: Convert to fraction form
    49,644.12/68,502.78 = 29,501.40/x
  3. Step 3: Cross multiply
    49,644.12x = 68,502.78 × 29,501.40
  4. Step 4: Simplify right side
    49,644.12x = 2,020,927,913.89
  5. Step 5: Solve for x
    x = 2,020,927,913.89/49,644.12
  6. Step 6: Final answer
    x = 40,708.30

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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.