Home / 53,703.36-80,554.19-13,177.31

Finding the Fourth Proportional to 53,703.36, 80,554.19 and 13,177.31

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Solution

The fourth proportional to 53,703.36, 80,554.19 and 13,177.31 is: 19,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,703.36 : 80,554.19 = 13,177.31 : x
  2. Step 2: Convert to fraction form
    53,703.36/80,554.19 = 13,177.31/x
  3. Step 3: Cross multiply
    53,703.36x = 80,554.19 × 13,177.31
  4. Step 4: Simplify right side
    53,703.36x = 1,061,487,064.77
  5. Step 5: Solve for x
    x = 1,061,487,064.77/53,703.36
  6. Step 6: Final answer
    x = 19,765.75

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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.