Finding the Fourth Proportional to 75,330.74, 103,955.48 and 43,498.94
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Solution
The fourth proportional to 75,330.74, 103,955.48 and 43,498.94 is: 60,027.99
Step by Step Solution
- Step 1: Write the proportion equation
75,330.74 : 103,955.48 = 43,498.94 : x - Step 2: Convert to fraction form
75,330.74/103,955.48 = 43,498.94/x - Step 3: Cross multiply
75,330.74x = 103,955.48 × 43,498.94 - Step 4: Simplify right side
75,330.74x = 4,521,953,187.19 - Step 5: Solve for x
x = 4,521,953,187.19/75,330.74 - Step 6: Final answer
x = 60,027.99
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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.