Finding the Fourth Proportional to 83,011.65, 124,403.26 and 35,569.95
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Solution
The fourth proportional to 83,011.65, 124,403.26 and 35,569.95 is: 53,305.99
Step by Step Solution
- Step 1: Write the proportion equation
83,011.65 : 124,403.26 = 35,569.95 : x - Step 2: Convert to fraction form
83,011.65/124,403.26 = 35,569.95/x - Step 3: Cross multiply
83,011.65x = 124,403.26 × 35,569.95 - Step 4: Simplify right side
83,011.65x = 4,425,017,826.96 - Step 5: Solve for x
x = 4,425,017,826.96/83,011.65 - Step 6: Final answer
x = 53,305.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.