Home / 53,202.31-72,886.86-51,208.09

Finding the Fourth Proportional to 53,202.31, 72,886.86 and 51,208.09

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Solution

The fourth proportional to 53,202.31, 72,886.86 and 51,208.09 is: 70,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,202.31 : 72,886.86 = 51,208.09 : x
  2. Step 2: Convert to fraction form
    53,202.31/72,886.86 = 51,208.09/x
  3. Step 3: Cross multiply
    53,202.31x = 72,886.86 × 51,208.09
  4. Step 4: Simplify right side
    53,202.31x = 3,732,396,886.70
  5. Step 5: Solve for x
    x = 3,732,396,886.70/53,202.31
  6. Step 6: Final answer
    x = 70,154.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.