Home / 84,844.40-127,315.20-32,291.60

Finding the Fourth Proportional to 84,844.40, 127,315.20 and 32,291.60

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Solution

The fourth proportional to 84,844.40, 127,315.20 and 32,291.60 is: 48,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844.40 : 127,315.20 = 32,291.60 : x
  2. Step 2: Convert to fraction form
    84,844.40/127,315.20 = 32,291.60/x
  3. Step 3: Cross multiply
    84,844.40x = 127,315.20 × 32,291.60
  4. Step 4: Simplify right side
    84,844.40x = 4,111,211,512.32
  5. Step 5: Solve for x
    x = 4,111,211,512.32/84,844.40
  6. Step 6: Final answer
    x = 48,455.90

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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.