Home / 55,922.40-83,883.60-45,424.80

Finding the Fourth Proportional to 55,922.40, 83,883.60 and 45,424.80

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Solution

The fourth proportional to 55,922.40, 83,883.60 and 45,424.80 is: 68,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,922.40 : 83,883.60 = 45,424.80 : x
  2. Step 2: Convert to fraction form
    55,922.40/83,883.60 = 45,424.80/x
  3. Step 3: Cross multiply
    55,922.40x = 83,883.60 × 45,424.80
  4. Step 4: Simplify right side
    55,922.40x = 3,810,395,753.28
  5. Step 5: Solve for x
    x = 3,810,395,753.28/55,922.40
  6. Step 6: Final answer
    x = 68,137.20

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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.