Finding the Fourth Proportional to 85,595.16, 118,115.82 and 47,862.84
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Solution
The fourth proportional to 85,595.16, 118,115.82 and 47,862.84 is: 66,047.64
Step by Step Solution
- Step 1: Write the proportion equation
85,595.16 : 118,115.82 = 47,862.84 : x - Step 2: Convert to fraction form
85,595.16/118,115.82 = 47,862.84/x - Step 3: Cross multiply
85,595.16x = 118,115.82 × 47,862.84 - Step 4: Simplify right side
85,595.16x = 5,653,358,594.13 - Step 5: Solve for x
x = 5,653,358,594.13/85,595.16 - Step 6: Final answer
x = 66,047.64
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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.