Finding the Fourth Proportional to 97,137.54, 145,647.99 and 65,878.02
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Solution
The fourth proportional to 97,137.54, 145,647.99 and 65,878.02 is: 98,777.48
Step by Step Solution
- Step 1: Write the proportion equation
97,137.54 : 145,647.99 = 65,878.02 : x - Step 2: Convert to fraction form
97,137.54/145,647.99 = 65,878.02/x - Step 3: Cross multiply
97,137.54x = 145,647.99 × 65,878.02 - Step 4: Simplify right side
97,137.54x = 9,595,001,198.18 - Step 5: Solve for x
x = 9,595,001,198.18/97,137.54 - Step 6: Final answer
x = 98,777.48
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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.