Home / 86,418.81-129,628.02-24,089.31

Finding the Fourth Proportional to 86,418.81, 129,628.02 and 24,089.31

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Solution

The fourth proportional to 86,418.81, 129,628.02 and 24,089.31 is: 36,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,418.81 : 129,628.02 = 24,089.31 : x
  2. Step 2: Convert to fraction form
    86,418.81/129,628.02 = 24,089.31/x
  3. Step 3: Cross multiply
    86,418.81x = 129,628.02 × 24,089.31
  4. Step 4: Simplify right side
    86,418.81x = 3,122,648,910.33
  5. Step 5: Solve for x
    x = 3,122,648,910.33/86,418.81
  6. Step 6: Final answer
    x = 36,133.91

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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.