Finding the Fourth Proportional to 112,795.72, 169,214.94 and 45,332.99
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Solution
The fourth proportional to 112,795.72, 169,214.94 and 45,332.99 is: 68,008.07
Step by Step Solution
- Step 1: Write the proportion equation
112,795.72 : 169,214.94 = 45,332.99 : x - Step 2: Convert to fraction form
112,795.72/169,214.94 = 45,332.99/x - Step 3: Cross multiply
112,795.72x = 169,214.94 × 45,332.99 - Step 4: Simplify right side
112,795.72x = 7,671,019,182.87 - Step 5: Solve for x
x = 7,671,019,182.87/112,795.72 - Step 6: Final answer
x = 68,008.07
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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.