Finding the Fourth Proportional to 75,769.09, 104,535.95 and 48,929.74
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Solution
The fourth proportional to 75,769.09, 104,535.95 and 48,929.74 is: 67,506.64
Step by Step Solution
- Step 1: Write the proportion equation
75,769.09 : 104,535.95 = 48,929.74 : x - Step 2: Convert to fraction form
75,769.09/104,535.95 = 48,929.74/x - Step 3: Cross multiply
75,769.09x = 104,535.95 × 48,929.74 - Step 4: Simplify right side
75,769.09x = 5,114,916,854.15 - Step 5: Solve for x
x = 5,114,916,854.15/75,769.09 - Step 6: Final answer
x = 67,506.64
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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.