Finding the Fourth Proportional to 75,295.40, 103,977.93 and 48,484.59
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Solution
The fourth proportional to 75,295.40, 103,977.93 and 48,484.59 is: 66,953.99
Step by Step Solution
- Step 1: Write the proportion equation
75,295.40 : 103,977.93 = 48,484.59 : x - Step 2: Convert to fraction form
75,295.40/103,977.93 = 48,484.59/x - Step 3: Cross multiply
75,295.40x = 103,977.93 × 48,484.59 - Step 4: Simplify right side
75,295.40x = 5,041,327,305.10 - Step 5: Solve for x
x = 5,041,327,305.10/75,295.40 - Step 6: Final answer
x = 66,953.99
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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.