Home / 86,923.95-130,360.82-39,512.63

Finding the Fourth Proportional to 86,923.95, 130,360.82 and 39,512.63

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Solution

The fourth proportional to 86,923.95, 130,360.82 and 39,512.63 is: 59,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923.95 : 130,360.82 = 39,512.63 : x
  2. Step 2: Convert to fraction form
    86,923.95/130,360.82 = 39,512.63/x
  3. Step 3: Cross multiply
    86,923.95x = 130,360.82 × 39,512.63
  4. Step 4: Simplify right side
    86,923.95x = 5,150,897,997.79
  5. Step 5: Solve for x
    x = 5,150,897,997.79/86,923.95
  6. Step 6: Final answer
    x = 59,257.52

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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.