Finding the Fourth Proportional to 77,267.64, 106,631.97 and 43,277.58
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Solution
The fourth proportional to 77,267.64, 106,631.97 and 43,277.58 is: 59,724.53
Step by Step Solution
- Step 1: Write the proportion equation
77,267.64 : 106,631.97 = 43,277.58 : x - Step 2: Convert to fraction form
77,267.64/106,631.97 = 43,277.58/x - Step 3: Cross multiply
77,267.64x = 106,631.97 × 43,277.58 - Step 4: Simplify right side
77,267.64x = 4,614,773,612.23 - Step 5: Solve for x
x = 4,614,773,612.23/77,267.64 - Step 6: Final answer
x = 59,724.53
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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.