Finding the Fourth Proportional to 76,465.48, 114,545.12 and 59,747.08
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Solution
The fourth proportional to 76,465.48, 114,545.12 and 59,747.08 is: 89,500.99
Step by Step Solution
- Step 1: Write the proportion equation
76,465.48 : 114,545.12 = 59,747.08 : x - Step 2: Convert to fraction form
76,465.48/114,545.12 = 59,747.08/x - Step 3: Cross multiply
76,465.48x = 114,545.12 × 59,747.08 - Step 4: Simplify right side
76,465.48x = 6,843,736,448.25 - Step 5: Solve for x
x = 6,843,736,448.25/76,465.48 - Step 6: Final answer
x = 89,500.99
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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.