Finding the Fourth Proportional to 78,893.58, 118,341.41 and 26,303.08
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Solution
The fourth proportional to 78,893.58, 118,341.41 and 26,303.08 is: 39,454.97
Step by Step Solution
- Step 1: Write the proportion equation
78,893.58 : 118,341.41 = 26,303.08 : x - Step 2: Convert to fraction form
78,893.58/118,341.41 = 26,303.08/x - Step 3: Cross multiply
78,893.58x = 118,341.41 × 26,303.08 - Step 4: Simplify right side
78,893.58x = 3,112,743,574.54 - Step 5: Solve for x
x = 3,112,743,574.54/78,893.58 - Step 6: Final answer
x = 39,454.97
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1.5x scale
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.