Finding the Fourth Proportional to 83,337.66, 115,053.21 and 57,536.53
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Solution
The fourth proportional to 83,337.66, 115,053.21 and 57,536.53 is: 79,433.02
Step by Step Solution
- Step 1: Write the proportion equation
83,337.66 : 115,053.21 = 57,536.53 : x - Step 2: Convert to fraction form
83,337.66/115,053.21 = 57,536.53/x - Step 3: Cross multiply
83,337.66x = 115,053.21 × 57,536.53 - Step 4: Simplify right side
83,337.66x = 6,619,762,181.13 - Step 5: Solve for x
x = 6,619,762,181.13/83,337.66 - Step 6: Final answer
x = 79,433.02
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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.