Finding the Fourth Proportional to 76,785.19, 115,178.08 and 23,476.95
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Solution
The fourth proportional to 76,785.19, 115,178.08 and 23,476.95 is: 35,215.52
Step by Step Solution
- Step 1: Write the proportion equation
76,785.19 : 115,178.08 = 23,476.95 : x - Step 2: Convert to fraction form
76,785.19/115,178.08 = 23,476.95/x - Step 3: Cross multiply
76,785.19x = 115,178.08 × 23,476.95 - Step 4: Simplify right side
76,785.19x = 2,704,030,254.51 - Step 5: Solve for x
x = 2,704,030,254.51/76,785.19 - Step 6: Final answer
x = 35,215.52
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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.