Home / 70,288.56-105,427.44-25,907.04

Finding the Fourth Proportional to 70,288.56, 105,427.44 and 25,907.04

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Solution

The fourth proportional to 70,288.56, 105,427.44 and 25,907.04 is: 38,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,288.56 : 105,427.44 = 25,907.04 : x
  2. Step 2: Convert to fraction form
    70,288.56/105,427.44 = 25,907.04/x
  3. Step 3: Cross multiply
    70,288.56x = 105,427.44 × 25,907.04
  4. Step 4: Simplify right side
    70,288.56x = 2,731,312,905.18
  5. Step 5: Solve for x
    x = 2,731,312,905.18/70,288.56
  6. Step 6: Final answer
    x = 38,858.57

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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.