Finding the Fourth Proportional to 96,387.65, 133,014.93 and 53,946.18
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Solution
The fourth proportional to 96,387.65, 133,014.93 and 53,946.18 is: 74,445.72
Step by Step Solution
- Step 1: Write the proportion equation
96,387.65 : 133,014.93 = 53,946.18 : x - Step 2: Convert to fraction form
96,387.65/133,014.93 = 53,946.18/x - Step 3: Cross multiply
96,387.65x = 133,014.93 × 53,946.18 - Step 4: Simplify right side
96,387.65x = 7,175,647,235.24 - Step 5: Solve for x
x = 7,175,647,235.24/96,387.65 - Step 6: Final answer
x = 74,445.72
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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.