Home / 76,619.58-114,900.93-26,686.86

Finding the Fourth Proportional to 76,619.58, 114,900.93 and 26,686.86

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Solution

The fourth proportional to 76,619.58, 114,900.93 and 26,686.86 is: 40,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,619.58 : 114,900.93 = 26,686.86 : x
  2. Step 2: Convert to fraction form
    76,619.58/114,900.93 = 26,686.86/x
  3. Step 3: Cross multiply
    76,619.58x = 114,900.93 × 26,686.86
  4. Step 4: Simplify right side
    76,619.58x = 3,066,345,032.78
  5. Step 5: Solve for x
    x = 3,066,345,032.78/76,619.58
  6. Step 6: Final answer
    x = 40,020.38

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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.