Home / 114,948.48-172,422.72-31,840.32

Finding the Fourth Proportional to 114,948.48, 172,422.72 and 31,840.32

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Solution

The fourth proportional to 114,948.48, 172,422.72 and 31,840.32 is: 47,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,948.48 : 172,422.72 = 31,840.32 : x
  2. Step 2: Convert to fraction form
    114,948.48/172,422.72 = 31,840.32/x
  3. Step 3: Cross multiply
    114,948.48x = 172,422.72 × 31,840.32
  4. Step 4: Simplify right side
    114,948.48x = 5,489,994,580.07
  5. Step 5: Solve for x
    x = 5,489,994,580.07/114,948.48
  6. Step 6: Final answer
    x = 47,760.48

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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.