Finding the Fourth Proportional to 68,603.62, 102,909.48 and 26,483.98
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Solution
The fourth proportional to 68,603.62, 102,909.48 and 26,483.98 is: 39,727.53
Step by Step Solution
- Step 1: Write the proportion equation
68,603.62 : 102,909.48 = 26,483.98 : x - Step 2: Convert to fraction form
68,603.62/102,909.48 = 26,483.98/x - Step 3: Cross multiply
68,603.62x = 102,909.48 × 26,483.98 - Step 4: Simplify right side
68,603.62x = 2,725,452,610.13 - Step 5: Solve for x
x = 2,725,452,610.13/68,603.62 - Step 6: Final answer
x = 39,727.53
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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.