Finding the Fourth Proportional to 93,688.92, 129,290.76 and 51,247.44
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Solution
The fourth proportional to 93,688.92, 129,290.76 and 51,247.44 is: 70,721.49
Step by Step Solution
- Step 1: Write the proportion equation
93,688.92 : 129,290.76 = 51,247.44 : x - Step 2: Convert to fraction form
93,688.92/129,290.76 = 51,247.44/x - Step 3: Cross multiply
93,688.92x = 129,290.76 × 51,247.44 - Step 4: Simplify right side
93,688.92x = 6,625,820,465.65 - Step 5: Solve for x
x = 6,625,820,465.65/93,688.92 - Step 6: Final answer
x = 70,721.49
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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.