Finding the Fourth Proportional to 85,573.08, 128,374.92 and 29,398.68
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Solution
The fourth proportional to 85,573.08, 128,374.92 and 29,398.68 is: 44,103.28
Step by Step Solution
- Step 1: Write the proportion equation
85,573.08 : 128,374.92 = 29,398.68 : x - Step 2: Convert to fraction form
85,573.08/128,374.92 = 29,398.68/x - Step 3: Cross multiply
85,573.08x = 128,374.92 × 29,398.68 - Step 4: Simplify right side
85,573.08x = 3,774,053,193.11 - Step 5: Solve for x
x = 3,774,053,193.11/85,573.08 - Step 6: Final answer
x = 44,103.28
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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.