Finding the Fourth Proportional to 92,953.16, 128,276.12 and 50,511.68
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Solution
The fourth proportional to 92,953.16, 128,276.12 and 50,511.68 is: 69,706.53
Step by Step Solution
- Step 1: Write the proportion equation
92,953.16 : 128,276.12 = 50,511.68 : x - Step 2: Convert to fraction form
92,953.16/128,276.12 = 50,511.68/x - Step 3: Cross multiply
92,953.16x = 128,276.12 × 50,511.68 - Step 4: Simplify right side
92,953.16x = 6,479,442,325.08 - Step 5: Solve for x
x = 6,479,442,325.08/92,953.16 - Step 6: Final answer
x = 69,706.53
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1.5x scale
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.