Finding the Fourth Proportional to 76,848.67, 115,266.49 and 43,463.71
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Solution
The fourth proportional to 76,848.67, 115,266.49 and 43,463.71 is: 65,191.88
Step by Step Solution
- Step 1: Write the proportion equation
76,848.67 : 115,266.49 = 43,463.71 : x - Step 2: Convert to fraction form
76,848.67/115,266.49 = 43,463.71/x - Step 3: Cross multiply
76,848.67x = 115,266.49 × 43,463.71 - Step 4: Simplify right side
76,848.67x = 5,009,909,294.08 - Step 5: Solve for x
x = 5,009,909,294.08/76,848.67 - Step 6: Final answer
x = 65,191.88
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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.