Home / 76,577.82-114,856.65-26,647.26

Finding the Fourth Proportional to 76,577.82, 114,856.65 and 26,647.26

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Solution

The fourth proportional to 76,577.82, 114,856.65 and 26,647.26 is: 39,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,577.82 : 114,856.65 = 26,647.26 : x
  2. Step 2: Convert to fraction form
    76,577.82/114,856.65 = 26,647.26/x
  3. Step 3: Cross multiply
    76,577.82x = 114,856.65 × 26,647.26
  4. Step 4: Simplify right side
    76,577.82x = 3,060,615,015.28
  5. Step 5: Solve for x
    x = 3,060,615,015.28/76,577.82
  6. Step 6: Final answer
    x = 39,967.38

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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.