Home / 41,113.73-61,647.02-12,643.28

Finding the Fourth Proportional to 41,113.73, 61,647.02 and 12,643.28

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Solution

The fourth proportional to 41,113.73, 61,647.02 and 12,643.28 is: 18,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,113.73 : 61,647.02 = 12,643.28 : x
  2. Step 2: Convert to fraction form
    41,113.73/61,647.02 = 12,643.28/x
  3. Step 3: Cross multiply
    41,113.73x = 61,647.02 × 12,643.28
  4. Step 4: Simplify right side
    41,113.73x = 779,420,535.03
  5. Step 5: Solve for x
    x = 779,420,535.03/41,113.73
  6. Step 6: Final answer
    x = 18,957.67

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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.