Finding the Fourth Proportional to 85,587.26, 118,108.21 and 47,345.81
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Solution
The fourth proportional to 85,587.26, 118,108.21 and 47,345.81 is: 65,336.00
Step by Step Solution
- Step 1: Write the proportion equation
85,587.26 : 118,108.21 = 47,345.81 : x - Step 2: Convert to fraction form
85,587.26/118,108.21 = 47,345.81/x - Step 3: Cross multiply
85,587.26x = 118,108.21 × 47,345.81 - Step 4: Simplify right side
85,587.26x = 5,591,928,870.10 - Step 5: Solve for x
x = 5,591,928,870.10/85,587.26 - Step 6: Final answer
x = 65,336.00
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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.