Finding the Fourth Proportional to 79,265.48, 118,913.76 and 29,345.96
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Solution
The fourth proportional to 79,265.48, 118,913.76 and 29,345.96 is: 44,024.69
Step by Step Solution
- Step 1: Write the proportion equation
79,265.48 : 118,913.76 = 29,345.96 : x - Step 2: Convert to fraction form
79,265.48/118,913.76 = 29,345.96/x - Step 3: Cross multiply
79,265.48x = 118,913.76 × 29,345.96 - Step 4: Simplify right side
79,265.48x = 3,489,638,444.41 - Step 5: Solve for x
x = 3,489,638,444.41/79,265.48 - Step 6: Final answer
x = 44,024.69
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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.