Home / 55,309.33-83,047.07-31,643.60

Finding the Fourth Proportional to 55,309.33, 83,047.07 and 31,643.60

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Solution

The fourth proportional to 55,309.33, 83,047.07 and 31,643.60 is: 47,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309.33 : 83,047.07 = 31,643.60 : x
  2. Step 2: Convert to fraction form
    55,309.33/83,047.07 = 31,643.60/x
  3. Step 3: Cross multiply
    55,309.33x = 83,047.07 × 31,643.60
  4. Step 4: Simplify right side
    55,309.33x = 2,627,908,264.25
  5. Step 5: Solve for x
    x = 2,627,908,264.25/55,309.33
  6. Step 6: Final answer
    x = 47,512.93

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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.