Home / 69,338.23-104,386.12-47,291.45

Finding the Fourth Proportional to 69,338.23, 104,386.12 and 47,291.45

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Solution

The fourth proportional to 69,338.23, 104,386.12 and 47,291.45 is: 71,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,338.23 : 104,386.12 = 47,291.45 : x
  2. Step 2: Convert to fraction form
    69,338.23/104,386.12 = 47,291.45/x
  3. Step 3: Cross multiply
    69,338.23x = 104,386.12 × 47,291.45
  4. Step 4: Simplify right side
    69,338.23x = 4,936,570,334.51
  5. Step 5: Solve for x
    x = 4,936,570,334.51/69,338.23
  6. Step 6: Final answer
    x = 71,195.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.