Finding the Fourth Proportional to 93,936.96, 129,646.35 and 58,138.50
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Solution
The fourth proportional to 93,936.96, 129,646.35 and 58,138.50 is: 80,239.39
Step by Step Solution
- Step 1: Write the proportion equation
93,936.96 : 129,646.35 = 58,138.50 : x - Step 2: Convert to fraction form
93,936.96/129,646.35 = 58,138.50/x - Step 3: Cross multiply
93,936.96x = 129,646.35 × 58,138.50 - Step 4: Simplify right side
93,936.96x = 7,537,444,319.48 - Step 5: Solve for x
x = 7,537,444,319.48/93,936.96 - Step 6: Final answer
x = 80,239.39
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1.5x scale
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.