Finding the Fourth Proportional to 75,306.18, 103,879.35 and 46,962.66
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Solution
The fourth proportional to 75,306.18, 103,879.35 and 46,962.66 is: 64,781.54
Step by Step Solution
- Step 1: Write the proportion equation
75,306.18 : 103,879.35 = 46,962.66 : x - Step 2: Convert to fraction form
75,306.18/103,879.35 = 46,962.66/x - Step 3: Cross multiply
75,306.18x = 103,879.35 × 46,962.66 - Step 4: Simplify right side
75,306.18x = 4,878,450,595.07 - Step 5: Solve for x
x = 4,878,450,595.07/75,306.18 - Step 6: Final answer
x = 64,781.54
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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.