Home / 88,303.89-122,180.26-76,996.95

Finding the Fourth Proportional to 88,303.89, 122,180.26 and 76,996.95

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Solution

The fourth proportional to 88,303.89, 122,180.26 and 76,996.95 is: 106,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,303.89 : 122,180.26 = 76,996.95 : x
  2. Step 2: Convert to fraction form
    88,303.89/122,180.26 = 76,996.95/x
  3. Step 3: Cross multiply
    88,303.89x = 122,180.26 × 76,996.95
  4. Step 4: Simplify right side
    88,303.89x = 9,407,507,370.21
  5. Step 5: Solve for x
    x = 9,407,507,370.21/88,303.89
  6. Step 6: Final answer
    x = 106,535.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.