Finding the Fourth Proportional to 83,302.10, 124,953.15 and 24,139.70
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Solution
The fourth proportional to 83,302.10, 124,953.15 and 24,139.70 is: 36,209.55
Step by Step Solution
- Step 1: Write the proportion equation
83,302.10 : 124,953.15 = 24,139.70 : x - Step 2: Convert to fraction form
83,302.10/124,953.15 = 24,139.70/x - Step 3: Cross multiply
83,302.10x = 124,953.15 × 24,139.70 - Step 4: Simplify right side
83,302.10x = 3,016,331,555.06 - Step 5: Solve for x
x = 3,016,331,555.06/83,302.10 - Step 6: Final answer
x = 36,209.55
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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.