Finding the Fourth Proportional to 115,526.05, 159,420.24 and 64,528.63
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Solution
The fourth proportional to 115,526.05, 159,420.24 and 64,528.63 is: 89,046.32
Step by Step Solution
- Step 1: Write the proportion equation
115,526.05 : 159,420.24 = 64,528.63 : x - Step 2: Convert to fraction form
115,526.05/159,420.24 = 64,528.63/x - Step 3: Cross multiply
115,526.05x = 159,420.24 × 64,528.63 - Step 4: Simplify right side
115,526.05x = 10,287,169,282.92 - Step 5: Solve for x
x = 10,287,169,282.92/115,526.05 - Step 6: Final answer
x = 89,046.32
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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.