Finding the Fourth Proportional to 75,904.84, 113,875.74 and 34,340.68
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Solution
The fourth proportional to 75,904.84, 113,875.74 and 34,340.68 is: 51,519.38
Step by Step Solution
- Step 1: Write the proportion equation
75,904.84 : 113,875.74 = 34,340.68 : x - Step 2: Convert to fraction form
75,904.84/113,875.74 = 34,340.68/x - Step 3: Cross multiply
75,904.84x = 113,875.74 × 34,340.68 - Step 4: Simplify right side
75,904.84x = 3,910,570,347.10 - Step 5: Solve for x
x = 3,910,570,347.10/75,904.84 - Step 6: Final answer
x = 51,519.38
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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.