Finding the Fourth Proportional to 81,952.88, 122,897.00 and 39,820.48
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Solution
The fourth proportional to 81,952.88, 122,897.00 and 39,820.48 is: 59,715.02
Step by Step Solution
- Step 1: Write the proportion equation
81,952.88 : 122,897.00 = 39,820.48 : x - Step 2: Convert to fraction form
81,952.88/122,897.00 = 39,820.48/x - Step 3: Cross multiply
81,952.88x = 122,897.00 × 39,820.48 - Step 4: Simplify right side
81,952.88x = 4,893,817,322.87 - Step 5: Solve for x
x = 4,893,817,322.87/81,952.88 - Step 6: Final answer
x = 59,715.02
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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.