Finding the Fourth Proportional to 112,545.84, 168,756.44 and 46,032.68
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Solution
The fourth proportional to 112,545.84, 168,756.44 and 46,032.68 is: 69,023.53
Step by Step Solution
- Step 1: Write the proportion equation
112,545.84 : 168,756.44 = 46,032.68 : x - Step 2: Convert to fraction form
112,545.84/168,756.44 = 46,032.68/x - Step 3: Cross multiply
112,545.84x = 168,756.44 × 46,032.68 - Step 4: Simplify right side
112,545.84x = 7,768,311,104.60 - Step 5: Solve for x
x = 7,768,311,104.60/112,545.84 - Step 6: Final answer
x = 69,023.53
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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.