Home / 69,920.51-104,840.25-47,760.66

Finding the Fourth Proportional to 69,920.51, 104,840.25 and 47,760.66

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Solution

The fourth proportional to 69,920.51, 104,840.25 and 47,760.66 is: 71,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,920.51 : 104,840.25 = 47,760.66 : x
  2. Step 2: Convert to fraction form
    69,920.51/104,840.25 = 47,760.66/x
  3. Step 3: Cross multiply
    69,920.51x = 104,840.25 × 47,760.66
  4. Step 4: Simplify right side
    69,920.51x = 5,007,239,534.57
  5. Step 5: Solve for x
    x = 5,007,239,534.57/69,920.51
  6. Step 6: Final answer
    x = 71,613.32

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1.5x scale

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.