Home / 80,822.80-121,176.60-30,883.60

Finding the Fourth Proportional to 80,822.80, 121,176.60 and 30,883.60

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Solution

The fourth proportional to 80,822.80, 121,176.60 and 30,883.60 is: 46,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,822.80 : 121,176.60 = 30,883.60 : x
  2. Step 2: Convert to fraction form
    80,822.80/121,176.60 = 30,883.60/x
  3. Step 3: Cross multiply
    80,822.80x = 121,176.60 × 30,883.60
  4. Step 4: Simplify right side
    80,822.80x = 3,742,369,643.76
  5. Step 5: Solve for x
    x = 3,742,369,643.76/80,822.80
  6. Step 6: Final answer
    x = 46,303.39

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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.