Home / 84,881.12-127,343.54-32,261.90

Finding the Fourth Proportional to 84,881.12, 127,343.54 and 32,261.90

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Solution

The fourth proportional to 84,881.12, 127,343.54 and 32,261.90 is: 48,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,881.12 : 127,343.54 = 32,261.90 : x
  2. Step 2: Convert to fraction form
    84,881.12/127,343.54 = 32,261.90/x
  3. Step 3: Cross multiply
    84,881.12x = 127,343.54 × 32,261.90
  4. Step 4: Simplify right side
    84,881.12x = 4,108,343,997.06
  5. Step 5: Solve for x
    x = 4,108,343,997.06/84,881.12
  6. Step 6: Final answer
    x = 48,401.15

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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.