Finding the Fourth Proportional to 93,157.29, 128,552.99 and 50,715.81
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Solution
The fourth proportional to 93,157.29, 128,552.99 and 50,715.81 is: 69,985.60
Step by Step Solution
- Step 1: Write the proportion equation
93,157.29 : 128,552.99 = 50,715.81 : x - Step 2: Convert to fraction form
93,157.29/128,552.99 = 50,715.81/x - Step 3: Cross multiply
93,157.29x = 128,552.99 × 50,715.81 - Step 4: Simplify right side
93,157.29x = 6,519,668,762.19 - Step 5: Solve for x
x = 6,519,668,762.19/93,157.29 - Step 6: Final answer
x = 69,985.60
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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.