Finding the Fourth Proportional to 77,312.93, 116,013.99 and 41,774.36
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Solution
The fourth proportional to 77,312.93, 116,013.99 and 41,774.36 is: 62,685.63
Step by Step Solution
- Step 1: Write the proportion equation
77,312.93 : 116,013.99 = 41,774.36 : x - Step 2: Convert to fraction form
77,312.93/116,013.99 = 41,774.36/x - Step 3: Cross multiply
77,312.93x = 116,013.99 × 41,774.36 - Step 4: Simplify right side
77,312.93x = 4,846,409,603.23 - Step 5: Solve for x
x = 4,846,409,603.23/77,312.93 - Step 6: Final answer
x = 62,685.63
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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.