Finding the Fourth Proportional to 93,732.79, 129,351.24 and 51,291.32
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Solution
The fourth proportional to 93,732.79, 129,351.24 and 51,291.32 is: 70,782.02
Step by Step Solution
- Step 1: Write the proportion equation
93,732.79 : 129,351.24 = 51,291.32 : x - Step 2: Convert to fraction form
93,732.79/129,351.24 = 51,291.32/x - Step 3: Cross multiply
93,732.79x = 129,351.24 × 51,291.32 - Step 4: Simplify right side
93,732.79x = 6,634,595,843.24 - Step 5: Solve for x
x = 6,634,595,843.24/93,732.79 - Step 6: Final answer
x = 70,782.02
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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.