Finding the Fourth Proportional to 93,838.62, 129,506.60 and 53,558.47
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Solution
The fourth proportional to 93,838.62, 129,506.60 and 53,558.47 is: 73,915.99
Step by Step Solution
- Step 1: Write the proportion equation
93,838.62 : 129,506.60 = 53,558.47 : x - Step 2: Convert to fraction form
93,838.62/129,506.60 = 53,558.47/x - Step 3: Cross multiply
93,838.62x = 129,506.60 × 53,558.47 - Step 4: Simplify right side
93,838.62x = 6,936,174,435.58 - Step 5: Solve for x
x = 6,936,174,435.58/93,838.62 - Step 6: Final answer
x = 73,915.99
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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.