Finding the Fourth Proportional to 75,282.08, 103,888.95 and 41,289.66
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Solution
The fourth proportional to 75,282.08, 103,888.95 and 41,289.66 is: 56,979.56
Step by Step Solution
- Step 1: Write the proportion equation
75,282.08 : 103,888.95 = 41,289.66 : x - Step 2: Convert to fraction form
75,282.08/103,888.95 = 41,289.66/x - Step 3: Cross multiply
75,282.08x = 103,888.95 × 41,289.66 - Step 4: Simplify right side
75,282.08x = 4,289,539,423.26 - Step 5: Solve for x
x = 4,289,539,423.26/75,282.08 - Step 6: Final answer
x = 56,979.56
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1.5x scale
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.