Finding the Fourth Proportional to 94,058.36, 129,802.12 and 51,620.84
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Solution
The fourth proportional to 94,058.36, 129,802.12 and 51,620.84 is: 71,237.63
Step by Step Solution
- Step 1: Write the proportion equation
94,058.36 : 129,802.12 = 51,620.84 : x - Step 2: Convert to fraction form
94,058.36/129,802.12 = 51,620.84/x - Step 3: Cross multiply
94,058.36x = 129,802.12 × 51,620.84 - Step 4: Simplify right side
94,058.36x = 6,700,494,468.18 - Step 5: Solve for x
x = 6,700,494,468.18/94,058.36 - Step 6: Final answer
x = 71,237.63
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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.