Home / 40,095.06-60,122.34-13,431.84

Finding the Fourth Proportional to 40,095.06, 60,122.34 and 13,431.84

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Solution

The fourth proportional to 40,095.06, 60,122.34 and 13,431.84 is: 20,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,095.06 : 60,122.34 = 13,431.84 : x
  2. Step 2: Convert to fraction form
    40,095.06/60,122.34 = 13,431.84/x
  3. Step 3: Cross multiply
    40,095.06x = 60,122.34 × 13,431.84
  4. Step 4: Simplify right side
    40,095.06x = 807,553,651.31
  5. Step 5: Solve for x
    x = 807,553,651.31/40,095.06
  6. Step 6: Final answer
    x = 20,140.98

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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.