Finding the Fourth Proportional to 77,226.91, 106,541.46 and 46,987.99
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Solution
The fourth proportional to 77,226.91, 106,541.46 and 46,987.99 is: 64,824.15
Step by Step Solution
- Step 1: Write the proportion equation
77,226.91 : 106,541.46 = 46,987.99 : x - Step 2: Convert to fraction form
77,226.91/106,541.46 = 46,987.99/x - Step 3: Cross multiply
77,226.91x = 106,541.46 × 46,987.99 - Step 4: Simplify right side
77,226.91x = 5,006,168,790.71 - Step 5: Solve for x
x = 5,006,168,790.71/77,226.91 - Step 6: Final answer
x = 64,824.15
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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.