Home / 65,022.84-97,537.64-20,653.06

Finding the Fourth Proportional to 65,022.84, 97,537.64 and 20,653.06

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Solution

The fourth proportional to 65,022.84, 97,537.64 and 20,653.06 is: 30,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,022.84 : 97,537.64 = 20,653.06 : x
  2. Step 2: Convert to fraction form
    65,022.84/97,537.64 = 20,653.06/x
  3. Step 3: Cross multiply
    65,022.84x = 97,537.64 × 20,653.06
  4. Step 4: Simplify right side
    65,022.84x = 2,014,450,731.18
  5. Step 5: Solve for x
    x = 2,014,450,731.18/65,022.84
  6. Step 6: Final answer
    x = 30,980.66

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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.