Finding the Fourth Proportional to 84,599.68, 126,763.36 and 55,089.76
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Solution
The fourth proportional to 84,599.68, 126,763.36 and 55,089.76 is: 82,545.98
Step by Step Solution
- Step 1: Write the proportion equation
84,599.68 : 126,763.36 = 55,089.76 : x - Step 2: Convert to fraction form
84,599.68/126,763.36 = 55,089.76/x - Step 3: Cross multiply
84,599.68x = 126,763.36 × 55,089.76 - Step 4: Simplify right side
84,599.68x = 6,983,363,079.19 - Step 5: Solve for x
x = 6,983,363,079.19/84,599.68 - Step 6: Final answer
x = 82,545.98
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1.5x scale
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.