Finding the Fourth Proportional to 75,300.35, 103,913.87 and 40,844.99
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Solution
The fourth proportional to 75,300.35, 103,913.87 and 40,844.99 is: 56,365.76
Step by Step Solution
- Step 1: Write the proportion equation
75,300.35 : 103,913.87 = 40,844.99 : x - Step 2: Convert to fraction form
75,300.35/103,913.87 = 40,844.99/x - Step 3: Cross multiply
75,300.35x = 103,913.87 × 40,844.99 - Step 4: Simplify right side
75,300.35x = 4,244,361,217.52 - Step 5: Solve for x
x = 4,244,361,217.52/75,300.35 - Step 6: Final answer
x = 56,365.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.