Finding the Fourth Proportional to 94,474.09, 130,428.47 and 62,686.09
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Solution
The fourth proportional to 94,474.09, 130,428.47 and 62,686.09 is: 86,542.78
Step by Step Solution
- Step 1: Write the proportion equation
94,474.09 : 130,428.47 = 62,686.09 : x - Step 2: Convert to fraction form
94,474.09/130,428.47 = 62,686.09/x - Step 3: Cross multiply
94,474.09x = 130,428.47 × 62,686.09 - Step 4: Simplify right side
94,474.09x = 8,176,050,495.55 - Step 5: Solve for x
x = 8,176,050,495.55/94,474.09 - Step 6: Final answer
x = 86,542.78
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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.