Finding the Fourth Proportional to 92,470.95, 138,721.98 and 29,308.68
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Solution
The fourth proportional to 92,470.95, 138,721.98 and 29,308.68 is: 43,967.95
Step by Step Solution
- Step 1: Write the proportion equation
92,470.95 : 138,721.98 = 29,308.68 : x - Step 2: Convert to fraction form
92,470.95/138,721.98 = 29,308.68/x - Step 3: Cross multiply
92,470.95x = 138,721.98 × 29,308.68 - Step 4: Simplify right side
92,470.95x = 4,065,758,120.79 - Step 5: Solve for x
x = 4,065,758,120.79/92,470.95 - Step 6: Final answer
x = 43,967.95
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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.