Finding the Fourth Proportional to 75,133.08, 103,683.69 and 46,838.88
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Solution
The fourth proportional to 75,133.08, 103,683.69 and 46,838.88 is: 64,637.68
Step by Step Solution
- Step 1: Write the proportion equation
75,133.08 : 103,683.69 = 46,838.88 : x - Step 2: Convert to fraction form
75,133.08/103,683.69 = 46,838.88/x - Step 3: Cross multiply
75,133.08x = 103,683.69 × 46,838.88 - Step 4: Simplify right side
75,133.08x = 4,856,427,913.87 - Step 5: Solve for x
x = 4,856,427,913.87/75,133.08 - Step 6: Final answer
x = 64,637.68
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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.