Finding the Fourth Proportional to 93,575.05, 129,136.75 and 51,136.31
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Solution
The fourth proportional to 93,575.05, 129,136.75 and 51,136.31 is: 70,569.85
Step by Step Solution
- Step 1: Write the proportion equation
93,575.05 : 129,136.75 = 51,136.31 : x - Step 2: Convert to fraction form
93,575.05/129,136.75 = 51,136.31/x - Step 3: Cross multiply
93,575.05x = 129,136.75 × 51,136.31 - Step 4: Simplify right side
93,575.05x = 6,603,576,624.71 - Step 5: Solve for x
x = 6,603,576,624.71/93,575.05 - Step 6: Final answer
x = 70,569.85
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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.