Home / 69,720.84-104,548.41-25,316.28

Finding the Fourth Proportional to 69,720.84, 104,548.41 and 25,316.28

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Solution

The fourth proportional to 69,720.84, 104,548.41 and 25,316.28 is: 37,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.84 : 104,548.41 = 25,316.28 : x
  2. Step 2: Convert to fraction form
    69,720.84/104,548.41 = 25,316.28/x
  3. Step 3: Cross multiply
    69,720.84x = 104,548.41 × 25,316.28
  4. Step 4: Simplify right side
    69,720.84x = 2,646,776,821.11
  5. Step 5: Solve for x
    x = 2,646,776,821.11/69,720.84
  6. Step 6: Final answer
    x = 37,962.49

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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.