Home / 78,350.96-117,533.16-25,050.56

Finding the Fourth Proportional to 78,350.96, 117,533.16 and 25,050.56

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Solution

The fourth proportional to 78,350.96, 117,533.16 and 25,050.56 is: 37,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,350.96 : 117,533.16 = 25,050.56 : x
  2. Step 2: Convert to fraction form
    78,350.96/117,533.16 = 25,050.56/x
  3. Step 3: Cross multiply
    78,350.96x = 117,533.16 × 25,050.56
  4. Step 4: Simplify right side
    78,350.96x = 2,944,271,476.57
  5. Step 5: Solve for x
    x = 2,944,271,476.57/78,350.96
  6. Step 6: Final answer
    x = 37,577.99

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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.