Finding the Fourth Proportional to 101,684.68, 152,537.34 and 42,539.08
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Solution
The fourth proportional to 101,684.68, 152,537.34 and 42,539.08 is: 63,812.94
Step by Step Solution
- Step 1: Write the proportion equation
101,684.68 : 152,537.34 = 42,539.08 : x - Step 2: Convert to fraction form
101,684.68/152,537.34 = 42,539.08/x - Step 3: Cross multiply
101,684.68x = 152,537.34 × 42,539.08 - Step 4: Simplify right side
101,684.68x = 6,488,798,109.25 - Step 5: Solve for x
x = 6,488,798,109.25/101,684.68 - Step 6: Final answer
x = 63,812.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.