Home / 66,923.69-92,354.71-38,629.38

Finding the Fourth Proportional to 66,923.69, 92,354.71 and 38,629.38

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Solution

The fourth proportional to 66,923.69, 92,354.71 and 38,629.38 is: 53,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,923.69 : 92,354.71 = 38,629.38 : x
  2. Step 2: Convert to fraction form
    66,923.69/92,354.71 = 38,629.38/x
  3. Step 3: Cross multiply
    66,923.69x = 92,354.71 × 38,629.38
  4. Step 4: Simplify right side
    66,923.69x = 3,567,605,090.81
  5. Step 5: Solve for x
    x = 3,567,605,090.81/66,923.69
  6. Step 6: Final answer
    x = 53,308.55

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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.