Finding the Fourth Proportional to 77,079.30, 115,624.35 and 32,701.02
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Solution
The fourth proportional to 77,079.30, 115,624.35 and 32,701.02 is: 49,053.82
Step by Step Solution
- Step 1: Write the proportion equation
77,079.30 : 115,624.35 = 32,701.02 : x - Step 2: Convert to fraction form
77,079.30/115,624.35 = 32,701.02/x - Step 3: Cross multiply
77,079.30x = 115,624.35 × 32,701.02 - Step 4: Simplify right side
77,079.30x = 3,781,034,181.84 - Step 5: Solve for x
x = 3,781,034,181.84/77,079.30 - Step 6: Final answer
x = 49,053.82
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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.