Finding the Fourth Proportional to 74,909.13, 112,364.13 and 24,989.09
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Solution
The fourth proportional to 74,909.13, 112,364.13 and 24,989.09 is: 37,483.77
Step by Step Solution
- Step 1: Write the proportion equation
74,909.13 : 112,364.13 = 24,989.09 : x - Step 2: Convert to fraction form
74,909.13/112,364.13 = 24,989.09/x - Step 3: Cross multiply
74,909.13x = 112,364.13 × 24,989.09 - Step 4: Simplify right side
74,909.13x = 2,807,876,795.52 - Step 5: Solve for x
x = 2,807,876,795.52/74,909.13 - Step 6: Final answer
x = 37,483.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.