Finding the Fourth Proportional to 68,779.44, 103,148.58 and 20,746.02
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Solution
The fourth proportional to 68,779.44, 103,148.58 and 20,746.02 is: 31,112.82
Step by Step Solution
- Step 1: Write the proportion equation
68,779.44 : 103,148.58 = 20,746.02 : x - Step 2: Convert to fraction form
68,779.44/103,148.58 = 20,746.02/x - Step 3: Cross multiply
68,779.44x = 103,148.58 × 20,746.02 - Step 4: Simplify right side
68,779.44x = 2,139,922,503.65 - Step 5: Solve for x
x = 2,139,922,503.65/68,779.44 - Step 6: Final answer
x = 31,112.82
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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.