Finding the Fourth Proportional to 92,718.11, 139,088.02 and 29,516.08
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Solution
The fourth proportional to 92,718.11, 139,088.02 and 29,516.08 is: 44,277.58
Step by Step Solution
- Step 1: Write the proportion equation
92,718.11 : 139,088.02 = 29,516.08 : x - Step 2: Convert to fraction form
92,718.11/139,088.02 = 29,516.08/x - Step 3: Cross multiply
92,718.11x = 139,088.02 × 29,516.08 - Step 4: Simplify right side
92,718.11x = 4,105,333,125.36 - Step 5: Solve for x
x = 4,105,333,125.36/92,718.11 - Step 6: Final answer
x = 44,277.58
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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.