Finding the Fourth Proportional to 93,643.75, 140,465.76 and 38,239.75
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Solution
The fourth proportional to 93,643.75, 140,465.76 and 38,239.75 is: 57,359.68
Step by Step Solution
- Step 1: Write the proportion equation
93,643.75 : 140,465.76 = 38,239.75 : x - Step 2: Convert to fraction form
93,643.75/140,465.76 = 38,239.75/x - Step 3: Cross multiply
93,643.75x = 140,465.76 × 38,239.75 - Step 4: Simplify right side
93,643.75x = 5,371,375,545.96 - Step 5: Solve for x
x = 5,371,375,545.96/93,643.75 - Step 6: Final answer
x = 57,359.68
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1.5x scale
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.