Home / 70,220.24-105,371.96-25,878.08

Finding the Fourth Proportional to 70,220.24, 105,371.96 and 25,878.08

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Solution

The fourth proportional to 70,220.24, 105,371.96 and 25,878.08 is: 38,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220.24 : 105,371.96 = 25,878.08 : x
  2. Step 2: Convert to fraction form
    70,220.24/105,371.96 = 25,878.08/x
  3. Step 3: Cross multiply
    70,220.24x = 105,371.96 × 25,878.08
  4. Step 4: Simplify right side
    70,220.24x = 2,726,824,010.64
  5. Step 5: Solve for x
    x = 2,726,824,010.64/70,220.24
  6. Step 6: Final answer
    x = 38,832.45

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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.