Finding the Fourth Proportional to 83,125.18, 114,713.47 and 47,317.49
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Solution
The fourth proportional to 83,125.18, 114,713.47 and 47,317.49 is: 65,298.54
Step by Step Solution
- Step 1: Write the proportion equation
83,125.18 : 114,713.47 = 47,317.49 : x - Step 2: Convert to fraction form
83,125.18/114,713.47 = 47,317.49/x - Step 3: Cross multiply
83,125.18x = 114,713.47 × 47,317.49 - Step 4: Simplify right side
83,125.18x = 5,427,952,659.44 - Step 5: Solve for x
x = 5,427,952,659.44/83,125.18 - Step 6: Final answer
x = 65,298.54
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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.