Finding the Fourth Proportional to 88,972.36, 122,779.98 and 48,686.08
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Solution
The fourth proportional to 88,972.36, 122,779.98 and 48,686.08 is: 67,185.76
Step by Step Solution
- Step 1: Write the proportion equation
88,972.36 : 122,779.98 = 48,686.08 : x - Step 2: Convert to fraction form
88,972.36/122,779.98 = 48,686.08/x - Step 3: Cross multiply
88,972.36x = 122,779.98 × 48,686.08 - Step 4: Simplify right side
88,972.36x = 5,977,675,928.68 - Step 5: Solve for x
x = 5,977,675,928.68/88,972.36 - Step 6: Final answer
x = 67,185.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.