Finding the Fourth Proportional to 93,539.13, 140,343.55 and 56,126.05
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Solution
The fourth proportional to 93,539.13, 140,343.55 and 56,126.05 is: 84,209.99
Step by Step Solution
- Step 1: Write the proportion equation
93,539.13 : 140,343.55 = 56,126.05 : x - Step 2: Convert to fraction form
93,539.13/140,343.55 = 56,126.05/x - Step 3: Cross multiply
93,539.13x = 140,343.55 × 56,126.05 - Step 4: Simplify right side
93,539.13x = 7,876,929,104.48 - Step 5: Solve for x
x = 7,876,929,104.48/93,539.13 - Step 6: Final answer
x = 84,209.99
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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.