Finding the Fourth Proportional to 73,312.02, 101,170.08 and 39,778.02
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Solution
The fourth proportional to 73,312.02, 101,170.08 and 39,778.02 is: 54,893.39
Step by Step Solution
- Step 1: Write the proportion equation
73,312.02 : 101,170.08 = 39,778.02 : x - Step 2: Convert to fraction form
73,312.02/101,170.08 = 39,778.02/x - Step 3: Cross multiply
73,312.02x = 101,170.08 × 39,778.02 - Step 4: Simplify right side
73,312.02x = 4,024,345,465.64 - Step 5: Solve for x
x = 4,024,345,465.64/73,312.02 - Step 6: Final answer
x = 54,893.39
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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.