Finding the Fourth Proportional to 77,911.34, 116,748.08 and 46,259.07
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Solution
The fourth proportional to 77,911.34, 116,748.08 and 46,259.07 is: 69,317.99
Step by Step Solution
- Step 1: Write the proportion equation
77,911.34 : 116,748.08 = 46,259.07 : x - Step 2: Convert to fraction form
77,911.34/116,748.08 = 46,259.07/x - Step 3: Cross multiply
77,911.34x = 116,748.08 × 46,259.07 - Step 4: Simplify right side
77,911.34x = 5,400,656,790.05 - Step 5: Solve for x
x = 5,400,656,790.05/77,911.34 - Step 6: Final answer
x = 69,317.99
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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.