Finding the Fourth Proportional to 94,862.40, 130,908.96 and 52,420.02
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Solution
The fourth proportional to 94,862.40, 130,908.96 and 52,420.02 is: 72,338.99
Step by Step Solution
- Step 1: Write the proportion equation
94,862.40 : 130,908.96 = 52,420.02 : x - Step 2: Convert to fraction form
94,862.40/130,908.96 = 52,420.02/x - Step 3: Cross multiply
94,862.40x = 130,908.96 × 52,420.02 - Step 4: Simplify right side
94,862.40x = 6,862,250,301.38 - Step 5: Solve for x
x = 6,862,250,301.38/94,862.40 - Step 6: Final answer
x = 72,338.99
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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.