Home / 49,775.48-74,487.78-31,064.31

Finding the Fourth Proportional to 49,775.48, 74,487.78 and 31,064.31

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Solution

The fourth proportional to 49,775.48, 74,487.78 and 31,064.31 is: 46,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775.48 : 74,487.78 = 31,064.31 : x
  2. Step 2: Convert to fraction form
    49,775.48/74,487.78 = 31,064.31/x
  3. Step 3: Cross multiply
    49,775.48x = 74,487.78 × 31,064.31
  4. Step 4: Simplify right side
    49,775.48x = 2,313,911,489.13
  5. Step 5: Solve for x
    x = 2,313,911,489.13/49,775.48
  6. Step 6: Final answer
    x = 46,486.98

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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.