Finding the Fourth Proportional to 68,780.71, 103,206.60 and 29,327.23
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Solution
The fourth proportional to 68,780.71, 103,206.60 and 29,327.23 is: 44,006.00
Step by Step Solution
- Step 1: Write the proportion equation
68,780.71 : 103,206.60 = 29,327.23 : x - Step 2: Convert to fraction form
68,780.71/103,206.60 = 29,327.23/x - Step 3: Cross multiply
68,780.71x = 103,206.60 × 29,327.23 - Step 4: Simplify right side
68,780.71x = 3,026,763,695.72 - Step 5: Solve for x
x = 3,026,763,695.72/68,780.71 - Step 6: Final answer
x = 44,006.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.