Finding the Fourth Proportional to 77,735.06, 116,386.07 and 39,701.99
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Solution
The fourth proportional to 77,735.06, 116,386.07 and 39,701.99 is: 59,442.41
Step by Step Solution
- Step 1: Write the proportion equation
77,735.06 : 116,386.07 = 39,701.99 : x - Step 2: Convert to fraction form
77,735.06/116,386.07 = 39,701.99/x - Step 3: Cross multiply
77,735.06x = 116,386.07 × 39,701.99 - Step 4: Simplify right side
77,735.06x = 4,620,759,343.01 - Step 5: Solve for x
x = 4,620,759,343.01/77,735.06 - Step 6: Final answer
x = 59,442.41
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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.