Finding the Fourth Proportional to 75,031.84, 103,543.56 and 41,497.84
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Solution
The fourth proportional to 75,031.84, 103,543.56 and 41,497.84 is: 57,266.81
Step by Step Solution
- Step 1: Write the proportion equation
75,031.84 : 103,543.56 = 41,497.84 : x - Step 2: Convert to fraction form
75,031.84/103,543.56 = 41,497.84/x - Step 3: Cross multiply
75,031.84x = 103,543.56 × 41,497.84 - Step 4: Simplify right side
75,031.84x = 4,296,834,085.91 - Step 5: Solve for x
x = 4,296,834,085.91/75,031.84 - Step 6: Final answer
x = 57,266.81
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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.