Finding the Fourth Proportional to 80,964.60, 121,552.14 and 62,257.77
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Solution
The fourth proportional to 80,964.60, 121,552.14 and 62,257.77 is: 93,467.58
Step by Step Solution
- Step 1: Write the proportion equation
80,964.60 : 121,552.14 = 62,257.77 : x - Step 2: Convert to fraction form
80,964.60/121,552.14 = 62,257.77/x - Step 3: Cross multiply
80,964.60x = 121,552.14 × 62,257.77 - Step 4: Simplify right side
80,964.60x = 7,567,565,175.13 - Step 5: Solve for x
x = 7,567,565,175.13/80,964.60 - Step 6: Final answer
x = 93,467.58
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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.