Home / 86,853.93-130,291.40-30,682.54

Finding the Fourth Proportional to 86,853.93, 130,291.40 and 30,682.54

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Solution

The fourth proportional to 86,853.93, 130,291.40 and 30,682.54 is: 46,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,853.93 : 130,291.40 = 30,682.54 : x
  2. Step 2: Convert to fraction form
    86,853.93/130,291.40 = 30,682.54/x
  3. Step 3: Cross multiply
    86,853.93x = 130,291.40 × 30,682.54
  4. Step 4: Simplify right side
    86,853.93x = 3,997,671,092.16
  5. Step 5: Solve for x
    x = 3,997,671,092.16/86,853.93
  6. Step 6: Final answer
    x = 46,027.52

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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.