Home / 77,285.14-115,944.34-23,976.06

Finding the Fourth Proportional to 77,285.14, 115,944.34 and 23,976.06

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Solution

The fourth proportional to 77,285.14, 115,944.34 and 23,976.06 is: 35,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,285.14 : 115,944.34 = 23,976.06 : x
  2. Step 2: Convert to fraction form
    77,285.14/115,944.34 = 23,976.06/x
  3. Step 3: Cross multiply
    77,285.14x = 115,944.34 × 23,976.06
  4. Step 4: Simplify right side
    77,285.14x = 2,779,888,452.50
  5. Step 5: Solve for x
    x = 2,779,888,452.50/77,285.14
  6. Step 6: Final answer
    x = 35,969.25

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1.5x scale

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.