Home / 89,052.48-122,904.11-50,803.22

Finding the Fourth Proportional to 89,052.48, 122,904.11 and 50,803.22

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Solution

The fourth proportional to 89,052.48, 122,904.11 and 50,803.22 is: 70,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,052.48 : 122,904.11 = 50,803.22 : x
  2. Step 2: Convert to fraction form
    89,052.48/122,904.11 = 50,803.22/x
  3. Step 3: Cross multiply
    89,052.48x = 122,904.11 × 50,803.22
  4. Step 4: Simplify right side
    89,052.48x = 6,243,924,973.50
  5. Step 5: Solve for x
    x = 6,243,924,973.50/89,052.48
  6. Step 6: Final answer
    x = 70,115.12

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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.