Finding the Fourth Proportional to 67,417.85, 101,095.48 and 39,345.99
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Solution
The fourth proportional to 67,417.85, 101,095.48 and 39,345.99 is: 59,000.72
Step by Step Solution
- Step 1: Write the proportion equation
67,417.85 : 101,095.48 = 39,345.99 : x - Step 2: Convert to fraction form
67,417.85/101,095.48 = 39,345.99/x - Step 3: Cross multiply
67,417.85x = 101,095.48 × 39,345.99 - Step 4: Simplify right side
67,417.85x = 3,977,701,745.13 - Step 5: Solve for x
x = 3,977,701,745.13/67,417.85 - Step 6: Final answer
x = 59,000.72
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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.