Finding the Fourth Proportional to 75,461.60, 104,090.69 and 44,813.88
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Solution
The fourth proportional to 75,461.60, 104,090.69 and 44,813.88 is: 61,815.65
Step by Step Solution
- Step 1: Write the proportion equation
75,461.60 : 104,090.69 = 44,813.88 : x - Step 2: Convert to fraction form
75,461.60/104,090.69 = 44,813.88/x - Step 3: Cross multiply
75,461.60x = 104,090.69 × 44,813.88 - Step 4: Simplify right side
75,461.60x = 4,664,707,802.81 - Step 5: Solve for x
x = 4,664,707,802.81/75,461.60 - Step 6: Final answer
x = 61,815.65
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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.