Finding the Fourth Proportional to 88,326.81, 132,503.36 and 40,946.70
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Solution
The fourth proportional to 88,326.81, 132,503.36 and 40,946.70 is: 61,426.14
Step by Step Solution
- Step 1: Write the proportion equation
88,326.81 : 132,503.36 = 40,946.70 : x - Step 2: Convert to fraction form
88,326.81/132,503.36 = 40,946.70/x - Step 3: Cross multiply
88,326.81x = 132,503.36 × 40,946.70 - Step 4: Simplify right side
88,326.81x = 5,425,575,126.18 - Step 5: Solve for x
x = 5,425,575,126.18/88,326.81 - Step 6: Final answer
x = 61,426.14
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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.