Finding the Fourth Proportional to 75,299.13, 112,948.56 and 22,708.58
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Solution
The fourth proportional to 75,299.13, 112,948.56 and 22,708.58 is: 34,062.82
Step by Step Solution
- Step 1: Write the proportion equation
75,299.13 : 112,948.56 = 22,708.58 : x - Step 2: Convert to fraction form
75,299.13/112,948.56 = 22,708.58/x - Step 3: Cross multiply
75,299.13x = 112,948.56 × 22,708.58 - Step 4: Simplify right side
75,299.13x = 2,564,900,845.90 - Step 5: Solve for x
x = 2,564,900,845.90/75,299.13 - Step 6: Final answer
x = 34,062.82
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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.