Finding the Fourth Proportional to 77,253.08, 106,615.08 and 43,259.84
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Solution
The fourth proportional to 77,253.08, 106,615.08 and 43,259.84 is: 59,701.84
Step by Step Solution
- Step 1: Write the proportion equation
77,253.08 : 106,615.08 = 43,259.84 : x - Step 2: Convert to fraction form
77,253.08/106,615.08 = 43,259.84/x - Step 3: Cross multiply
77,253.08x = 106,615.08 × 43,259.84 - Step 4: Simplify right side
77,253.08x = 4,612,151,302.39 - Step 5: Solve for x
x = 4,612,151,302.39/77,253.08 - Step 6: Final answer
x = 59,701.84
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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.