Home / 86,364.36-129,587.76-44,811.36

Finding the Fourth Proportional to 86,364.36, 129,587.76 and 44,811.36

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Solution

The fourth proportional to 86,364.36, 129,587.76 and 44,811.36 is: 67,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,364.36 : 129,587.76 = 44,811.36 : x
  2. Step 2: Convert to fraction form
    86,364.36/129,587.76 = 44,811.36/x
  3. Step 3: Cross multiply
    86,364.36x = 129,587.76 × 44,811.36
  4. Step 4: Simplify right side
    86,364.36x = 5,807,003,764.95
  5. Step 5: Solve for x
    x = 5,807,003,764.95/86,364.36
  6. Step 6: Final answer
    x = 67,238.43

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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.