Home / 53,675.44-74,021.07-39,126.40

Finding the Fourth Proportional to 53,675.44, 74,021.07 and 39,126.40

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Solution

The fourth proportional to 53,675.44, 74,021.07 and 39,126.40 is: 53,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675.44 : 74,021.07 = 39,126.40 : x
  2. Step 2: Convert to fraction form
    53,675.44/74,021.07 = 39,126.40/x
  3. Step 3: Cross multiply
    53,675.44x = 74,021.07 × 39,126.40
  4. Step 4: Simplify right side
    53,675.44x = 2,896,177,993.25
  5. Step 5: Solve for x
    x = 2,896,177,993.25/53,675.44
  6. Step 6: Final answer
    x = 53,957.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.