Home / 55,907.03-83,860.56-38,323.55

Finding the Fourth Proportional to 55,907.03, 83,860.56 and 38,323.55

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Solution

The fourth proportional to 55,907.03, 83,860.56 and 38,323.55 is: 57,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,907.03 : 83,860.56 = 38,323.55 : x
  2. Step 2: Convert to fraction form
    55,907.03/83,860.56 = 38,323.55/x
  3. Step 3: Cross multiply
    55,907.03x = 83,860.56 × 38,323.55
  4. Step 4: Simplify right side
    55,907.03x = 3,213,834,573.84
  5. Step 5: Solve for x
    x = 3,213,834,573.84/55,907.03
  6. Step 6: Final answer
    x = 57,485.34

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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.