Finding the Fourth Proportional to 67,328.18, 100,580.27 and 48,447.08
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Solution
The fourth proportional to 67,328.18, 100,580.27 and 48,447.08 is: 72,374.16
Step by Step Solution
- Step 1: Write the proportion equation
67,328.18 : 100,580.27 = 48,447.08 : x - Step 2: Convert to fraction form
67,328.18/100,580.27 = 48,447.08/x - Step 3: Cross multiply
67,328.18x = 100,580.27 × 48,447.08 - Step 4: Simplify right side
67,328.18x = 4,872,819,884.21 - Step 5: Solve for x
x = 4,872,819,884.21/67,328.18 - Step 6: Final answer
x = 72,374.16
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.