Finding the Fourth Proportional to 75,030.18, 103,555.49 and 48,206.22
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Solution
The fourth proportional to 75,030.18, 103,555.49 and 48,206.22 is: 66,533.48
Step by Step Solution
- Step 1: Write the proportion equation
75,030.18 : 103,555.49 = 48,206.22 : x - Step 2: Convert to fraction form
75,030.18/103,555.49 = 48,206.22/x - Step 3: Cross multiply
75,030.18x = 103,555.49 × 48,206.22 - Step 4: Simplify right side
75,030.18x = 4,992,018,733.15 - Step 5: Solve for x
x = 4,992,018,733.15/75,030.18 - Step 6: Final answer
x = 66,533.48
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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.