Finding the Fourth Proportional to 85,867.24, 118,497.20 and 47,624.13
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Solution
The fourth proportional to 85,867.24, 118,497.20 and 47,624.13 is: 65,721.52
Step by Step Solution
- Step 1: Write the proportion equation
85,867.24 : 118,497.20 = 47,624.13 : x - Step 2: Convert to fraction form
85,867.24/118,497.20 = 47,624.13/x - Step 3: Cross multiply
85,867.24x = 118,497.20 × 47,624.13 - Step 4: Simplify right side
85,867.24x = 5,643,325,887.87 - Step 5: Solve for x
x = 5,643,325,887.87/85,867.24 - Step 6: Final answer
x = 65,721.52
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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.