Finding the Fourth Proportional to 77,271.84, 115,840.80 and 29,919.96
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Solution
The fourth proportional to 77,271.84, 115,840.80 and 29,919.96 is: 44,854.01
Step by Step Solution
- Step 1: Write the proportion equation
77,271.84 : 115,840.80 = 29,919.96 : x - Step 2: Convert to fraction form
77,271.84/115,840.80 = 29,919.96/x - Step 3: Cross multiply
77,271.84x = 115,840.80 × 29,919.96 - Step 4: Simplify right side
77,271.84x = 3,465,952,102.37 - Step 5: Solve for x
x = 3,465,952,102.37/77,271.84 - Step 6: Final answer
x = 44,854.01
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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.