Finding the Fourth Proportional to 75,432.74, 104,085.61 and 43,595.49
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Solution
The fourth proportional to 75,432.74, 104,085.61 and 43,595.49 is: 60,155.09
Step by Step Solution
- Step 1: Write the proportion equation
75,432.74 : 104,085.61 = 43,595.49 : x - Step 2: Convert to fraction form
75,432.74/104,085.61 = 43,595.49/x - Step 3: Cross multiply
75,432.74x = 104,085.61 × 43,595.49 - Step 4: Simplify right side
75,432.74x = 4,537,663,169.90 - Step 5: Solve for x
x = 4,537,663,169.90/75,432.74 - Step 6: Final answer
x = 60,155.09
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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.