Finding the Fourth Proportional to 75,552.74, 113,326.80 and 19,390.58
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Solution
The fourth proportional to 75,552.74, 113,326.80 and 19,390.58 is: 29,085.28
Step by Step Solution
- Step 1: Write the proportion equation
75,552.74 : 113,326.80 = 19,390.58 : x - Step 2: Convert to fraction form
75,552.74/113,326.80 = 19,390.58/x - Step 3: Cross multiply
75,552.74x = 113,326.80 × 19,390.58 - Step 4: Simplify right side
75,552.74x = 2,197,472,381.54 - Step 5: Solve for x
x = 2,197,472,381.54/75,552.74 - Step 6: Final answer
x = 29,085.28
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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.