Home / 81,599.24-122,283.92-64,885.08

Finding the Fourth Proportional to 81,599.24, 122,283.92 and 64,885.08

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Solution

The fourth proportional to 81,599.24, 122,283.92 and 64,885.08 is: 97,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,599.24 : 122,283.92 = 64,885.08 : x
  2. Step 2: Convert to fraction form
    81,599.24/122,283.92 = 64,885.08/x
  3. Step 3: Cross multiply
    81,599.24x = 122,283.92 × 64,885.08
  4. Step 4: Simplify right side
    81,599.24x = 7,934,401,931.91
  5. Step 5: Solve for x
    x = 7,934,401,931.91/81,599.24
  6. Step 6: Final answer
    x = 97,236.22

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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.