Home / 55,801.02-83,701.53-20,749.50

Finding the Fourth Proportional to 55,801.02, 83,701.53 and 20,749.50

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Solution

The fourth proportional to 55,801.02, 83,701.53 and 20,749.50 is: 31,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.02 : 83,701.53 = 20,749.50 : x
  2. Step 2: Convert to fraction form
    55,801.02/83,701.53 = 20,749.50/x
  3. Step 3: Cross multiply
    55,801.02x = 83,701.53 × 20,749.50
  4. Step 4: Simplify right side
    55,801.02x = 1,736,764,896.74
  5. Step 5: Solve for x
    x = 1,736,764,896.74/55,801.02
  6. Step 6: Final answer
    x = 31,124.25

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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.