Home / 55,948.50-83,903.22-20,869.02

Finding the Fourth Proportional to 55,948.50, 83,903.22 and 20,869.02

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Solution

The fourth proportional to 55,948.50, 83,903.22 and 20,869.02 is: 31,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,948.50 : 83,903.22 = 20,869.02 : x
  2. Step 2: Convert to fraction form
    55,948.50/83,903.22 = 20,869.02/x
  3. Step 3: Cross multiply
    55,948.50x = 83,903.22 × 20,869.02
  4. Step 4: Simplify right side
    55,948.50x = 1,750,977,976.24
  5. Step 5: Solve for x
    x = 1,750,977,976.24/55,948.50
  6. Step 6: Final answer
    x = 31,296.25

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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.