Home / 48,362.16-66,706.20-39,409.68

Finding the Fourth Proportional to 48,362.16, 66,706.20 and 39,409.68

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Solution

The fourth proportional to 48,362.16, 66,706.20 and 39,409.68 is: 54,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,362.16 : 66,706.20 = 39,409.68 : x
  2. Step 2: Convert to fraction form
    48,362.16/66,706.20 = 39,409.68/x
  3. Step 3: Cross multiply
    48,362.16x = 66,706.20 × 39,409.68
  4. Step 4: Simplify right side
    48,362.16x = 2,628,869,996.02
  5. Step 5: Solve for x
    x = 2,628,869,996.02/48,362.16
  6. Step 6: Final answer
    x = 54,357.99

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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.