Finding the Fourth Proportional to 88,867.90, 133,042.65 and 79,536.70
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Solution
The fourth proportional to 88,867.90, 133,042.65 and 79,536.70 is: 119,073.07
Step by Step Solution
- Step 1: Write the proportion equation
88,867.90 : 133,042.65 = 79,536.70 : x - Step 2: Convert to fraction form
88,867.90/133,042.65 = 79,536.70/x - Step 3: Cross multiply
88,867.90x = 133,042.65 × 79,536.70 - Step 4: Simplify right side
88,867.90x = 10,581,773,340.26 - Step 5: Solve for x
x = 10,581,773,340.26/88,867.90 - Step 6: Final answer
x = 119,073.07
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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.