Finding the Fourth Proportional to 115,552.99, 159,464.18 and 67,807.13
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Solution
The fourth proportional to 115,552.99, 159,464.18 and 67,807.13 is: 93,574.46
Step by Step Solution
- Step 1: Write the proportion equation
115,552.99 : 159,464.18 = 67,807.13 : x - Step 2: Convert to fraction form
115,552.99/159,464.18 = 67,807.13/x - Step 3: Cross multiply
115,552.99x = 159,464.18 × 67,807.13 - Step 4: Simplify right side
115,552.99x = 10,812,808,044.57 - Step 5: Solve for x
x = 10,812,808,044.57/115,552.99 - Step 6: Final answer
x = 93,574.46
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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.