Finding the Fourth Proportional to 78,940.04, 118,371.68 and 26,331.75
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Solution
The fourth proportional to 78,940.04, 118,371.68 and 26,331.75 is: 39,484.82
Step by Step Solution
- Step 1: Write the proportion equation
78,940.04 : 118,371.68 = 26,331.75 : x - Step 2: Convert to fraction form
78,940.04/118,371.68 = 26,331.75/x - Step 3: Cross multiply
78,940.04x = 118,371.68 × 26,331.75 - Step 4: Simplify right side
78,940.04x = 3,116,933,451.93 - Step 5: Solve for x
x = 3,116,933,451.93/78,940.04 - Step 6: Final answer
x = 39,484.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.