Finding the Fourth Proportional to 88,299.30, 121,898.11 and 59,769.74
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Solution
The fourth proportional to 88,299.30, 121,898.11 and 59,769.74 is: 82,512.75
Step by Step Solution
- Step 1: Write the proportion equation
88,299.30 : 121,898.11 = 59,769.74 : x - Step 2: Convert to fraction form
88,299.30/121,898.11 = 59,769.74/x - Step 3: Cross multiply
88,299.30x = 121,898.11 × 59,769.74 - Step 4: Simplify right side
88,299.30x = 7,285,818,341.19 - Step 5: Solve for x
x = 7,285,818,341.19/88,299.30 - Step 6: Final answer
x = 82,512.75
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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.