Home / 55,984.33-77,243.07-38,969.47

Finding the Fourth Proportional to 55,984.33, 77,243.07 and 38,969.47

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Solution

The fourth proportional to 55,984.33, 77,243.07 and 38,969.47 is: 53,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,984.33 : 77,243.07 = 38,969.47 : x
  2. Step 2: Convert to fraction form
    55,984.33/77,243.07 = 38,969.47/x
  3. Step 3: Cross multiply
    55,984.33x = 77,243.07 × 38,969.47
  4. Step 4: Simplify right side
    55,984.33x = 3,010,121,499.07
  5. Step 5: Solve for x
    x = 3,010,121,499.07/55,984.33
  6. Step 6: Final answer
    x = 53,767.21

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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.