Finding the Fourth Proportional to 81,473.04, 112,444.61 and 45,666.99
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Solution
The fourth proportional to 81,473.04, 112,444.61 and 45,666.99 is: 63,027.07
Step by Step Solution
- Step 1: Write the proportion equation
81,473.04 : 112,444.61 = 45,666.99 : x - Step 2: Convert to fraction form
81,473.04/112,444.61 = 45,666.99/x - Step 3: Cross multiply
81,473.04x = 112,444.61 × 45,666.99 - Step 4: Simplify right side
81,473.04x = 5,135,006,652.09 - Step 5: Solve for x
x = 5,135,006,652.09/81,473.04 - Step 6: Final answer
x = 63,027.07
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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.