Finding the Fourth Proportional to 77,316.28, 115,937.84 and 29,953.52
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Solution
The fourth proportional to 77,316.28, 115,937.84 and 29,953.52 is: 44,916.11
Step by Step Solution
- Step 1: Write the proportion equation
77,316.28 : 115,937.84 = 29,953.52 : x - Step 2: Convert to fraction form
77,316.28/115,937.84 = 29,953.52/x - Step 3: Cross multiply
77,316.28x = 115,937.84 × 29,953.52 - Step 4: Simplify right side
77,316.28x = 3,472,746,409.20 - Step 5: Solve for x
x = 3,472,746,409.20/77,316.28 - Step 6: Final answer
x = 44,916.11
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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.