Finding the Fourth Proportional to 94,159.46, 129,962.48 and 53,896.49
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Solution
The fourth proportional to 94,159.46, 129,962.48 and 53,896.49 is: 74,389.99
Step by Step Solution
- Step 1: Write the proportion equation
94,159.46 : 129,962.48 = 53,896.49 : x - Step 2: Convert to fraction form
94,159.46/129,962.48 = 53,896.49/x - Step 3: Cross multiply
94,159.46x = 129,962.48 × 53,896.49 - Step 4: Simplify right side
94,159.46x = 7,004,521,071.76 - Step 5: Solve for x
x = 7,004,521,071.76/94,159.46 - Step 6: Final answer
x = 74,389.99
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1.5x scale
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.