Home / 77,246.24-115,885.62-26,649.86

Finding the Fourth Proportional to 77,246.24, 115,885.62 and 26,649.86

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Solution

The fourth proportional to 77,246.24, 115,885.62 and 26,649.86 is: 39,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,246.24 : 115,885.62 = 26,649.86 : x
  2. Step 2: Convert to fraction form
    77,246.24/115,885.62 = 26,649.86/x
  3. Step 3: Cross multiply
    77,246.24x = 115,885.62 × 26,649.86
  4. Step 4: Simplify right side
    77,246.24x = 3,088,334,969.59
  5. Step 5: Solve for x
    x = 3,088,334,969.59/77,246.24
  6. Step 6: Final answer
    x = 39,980.39

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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.