Home / 81,962.16-122,937.69-29,373.33

Finding the Fourth Proportional to 81,962.16, 122,937.69 and 29,373.33

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Solution

The fourth proportional to 81,962.16, 122,937.69 and 29,373.33 is: 44,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,962.16 : 122,937.69 = 29,373.33 : x
  2. Step 2: Convert to fraction form
    81,962.16/122,937.69 = 29,373.33/x
  3. Step 3: Cross multiply
    81,962.16x = 122,937.69 × 29,373.33
  4. Step 4: Simplify right side
    81,962.16x = 3,611,089,337.81
  5. Step 5: Solve for x
    x = 3,611,089,337.81/81,962.16
  6. Step 6: Final answer
    x = 44,058.01

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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.