Finding the Fourth Proportional to 77,542.68, 116,244.63 and 37,539.03
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Solution
The fourth proportional to 77,542.68, 116,244.63 and 37,539.03 is: 56,274.95
Step by Step Solution
- Step 1: Write the proportion equation
77,542.68 : 116,244.63 = 37,539.03 : x - Step 2: Convert to fraction form
77,542.68/116,244.63 = 37,539.03/x - Step 3: Cross multiply
77,542.68x = 116,244.63 × 37,539.03 - Step 4: Simplify right side
77,542.68x = 4,363,710,652.91 - Step 5: Solve for x
x = 4,363,710,652.91/77,542.68 - Step 6: Final answer
x = 56,274.95
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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.