Finding the Fourth Proportional to 75,264.58, 112,239.14 and 65,947.96
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Solution
The fourth proportional to 75,264.58, 112,239.14 and 65,947.96 is: 98,345.63
Step by Step Solution
- Step 1: Write the proportion equation
75,264.58 : 112,239.14 = 65,947.96 : x - Step 2: Convert to fraction form
75,264.58/112,239.14 = 65,947.96/x - Step 3: Cross multiply
75,264.58x = 112,239.14 × 65,947.96 - Step 4: Simplify right side
75,264.58x = 7,401,942,315.15 - Step 5: Solve for x
x = 7,401,942,315.15/75,264.58 - Step 6: Final answer
x = 98,345.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.