Home / 55,801.37-76,984.08-31,915.28

Finding the Fourth Proportional to 55,801.37, 76,984.08 and 31,915.28

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Solution

The fourth proportional to 55,801.37, 76,984.08 and 31,915.28 is: 44,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.37 : 76,984.08 = 31,915.28 : x
  2. Step 2: Convert to fraction form
    55,801.37/76,984.08 = 31,915.28/x
  3. Step 3: Cross multiply
    55,801.37x = 76,984.08 × 31,915.28
  4. Step 4: Simplify right side
    55,801.37x = 2,456,968,468.74
  5. Step 5: Solve for x
    x = 2,456,968,468.74/55,801.37
  6. Step 6: Final answer
    x = 44,030.61

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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.