Finding the Fourth Proportional to 101,572.99, 140,178.68 and 58,566.31
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Solution
The fourth proportional to 101,572.99, 140,178.68 and 58,566.31 is: 80,826.09
Step by Step Solution
- Step 1: Write the proportion equation
101,572.99 : 140,178.68 = 58,566.31 : x - Step 2: Convert to fraction form
101,572.99/140,178.68 = 58,566.31/x - Step 3: Cross multiply
101,572.99x = 140,178.68 × 58,566.31 - Step 4: Simplify right side
101,572.99x = 8,209,748,028.27 - Step 5: Solve for x
x = 8,209,748,028.27/101,572.99 - Step 6: Final answer
x = 80,826.09
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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.