Finding the Fourth Proportional to 75,637.76, 104,317.44 and 68,264.96
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Solution
The fourth proportional to 75,637.76, 104,317.44 and 68,264.96 is: 94,149.08
Step by Step Solution
- Step 1: Write the proportion equation
75,637.76 : 104,317.44 = 68,264.96 : x - Step 2: Convert to fraction form
75,637.76/104,317.44 = 68,264.96/x - Step 3: Cross multiply
75,637.76x = 104,317.44 × 68,264.96 - Step 4: Simplify right side
75,637.76x = 7,121,225,868.90 - Step 5: Solve for x
x = 7,121,225,868.90/75,637.76 - Step 6: Final answer
x = 94,149.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.