Home / 53,372.12-79,947.44-31,118.00

Finding the Fourth Proportional to 53,372.12, 79,947.44 and 31,118.00

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Solution

The fourth proportional to 53,372.12, 79,947.44 and 31,118.00 is: 46,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,372.12 : 79,947.44 = 31,118.00 : x
  2. Step 2: Convert to fraction form
    53,372.12/79,947.44 = 31,118.00/x
  3. Step 3: Cross multiply
    53,372.12x = 79,947.44 × 31,118.00
  4. Step 4: Simplify right side
    53,372.12x = 2,487,803,882.59
  5. Step 5: Solve for x
    x = 2,487,803,882.59/53,372.12
  6. Step 6: Final answer
    x = 46,612.43

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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.