Finding the Fourth Proportional to 94,684.68, 142,125.48 and 69,752.88
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Solution
The fourth proportional to 94,684.68, 142,125.48 and 69,752.88 is: 104,701.85
Step by Step Solution
- Step 1: Write the proportion equation
94,684.68 : 142,125.48 = 69,752.88 : x - Step 2: Convert to fraction form
94,684.68/142,125.48 = 69,752.88/x - Step 3: Cross multiply
94,684.68x = 142,125.48 × 69,752.88 - Step 4: Simplify right side
94,684.68x = 9,913,661,551.38 - Step 5: Solve for x
x = 9,913,661,551.38/94,684.68 - Step 6: Final answer
x = 104,701.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.