Finding the Fourth Proportional to 75,587.20, 104,307.84 and 42,052.48
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Solution
The fourth proportional to 75,587.20, 104,307.84 and 42,052.48 is: 58,031.03
Step by Step Solution
- Step 1: Write the proportion equation
75,587.20 : 104,307.84 = 42,052.48 : x - Step 2: Convert to fraction form
75,587.20/104,307.84 = 42,052.48/x - Step 3: Cross multiply
75,587.20x = 104,307.84 × 42,052.48 - Step 4: Simplify right side
75,587.20x = 4,386,403,355.44 - Step 5: Solve for x
x = 4,386,403,355.44/75,587.20 - Step 6: Final answer
x = 58,031.03
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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.