Finding the Fourth Proportional to 88,325.19, 121,885.23 and 48,038.92
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Solution
The fourth proportional to 88,325.19, 121,885.23 and 48,038.92 is: 66,291.79
Step by Step Solution
- Step 1: Write the proportion equation
88,325.19 : 121,885.23 = 48,038.92 : x - Step 2: Convert to fraction form
88,325.19/121,885.23 = 48,038.92/x - Step 3: Cross multiply
88,325.19x = 121,885.23 × 48,038.92 - Step 4: Simplify right side
88,325.19x = 5,855,234,813.15 - Step 5: Solve for x
x = 5,855,234,813.15/88,325.19 - Step 6: Final answer
x = 66,291.79
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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.