Home / 48,476.96-66,907.78-31,457.30

Finding the Fourth Proportional to 48,476.96, 66,907.78 and 31,457.30

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Solution

The fourth proportional to 48,476.96, 66,907.78 and 31,457.30 is: 43,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,476.96 : 66,907.78 = 31,457.30 : x
  2. Step 2: Convert to fraction form
    48,476.96/66,907.78 = 31,457.30/x
  3. Step 3: Cross multiply
    48,476.96x = 66,907.78 × 31,457.30
  4. Step 4: Simplify right side
    48,476.96x = 2,104,738,107.79
  5. Step 5: Solve for x
    x = 2,104,738,107.79/48,476.96
  6. Step 6: Final answer
    x = 43,417.29

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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.