Finding the Fourth Proportional to 75,124.13, 103,671.30 and 41,132.62
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Solution
The fourth proportional to 75,124.13, 103,671.30 and 41,132.62 is: 56,763.02
Step by Step Solution
- Step 1: Write the proportion equation
75,124.13 : 103,671.30 = 41,132.62 : x - Step 2: Convert to fraction form
75,124.13/103,671.30 = 41,132.62/x - Step 3: Cross multiply
75,124.13x = 103,671.30 × 41,132.62 - Step 4: Simplify right side
75,124.13x = 4,264,272,187.81 - Step 5: Solve for x
x = 4,264,272,187.81/75,124.13 - Step 6: Final answer
x = 56,763.02
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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.