Finding the Fourth Proportional to 94,721.20, 130,705.95 and 52,276.99
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Solution
The fourth proportional to 94,721.20, 130,705.95 and 52,276.99 is: 72,137.11
Step by Step Solution
- Step 1: Write the proportion equation
94,721.20 : 130,705.95 = 52,276.99 : x - Step 2: Convert to fraction form
94,721.20/130,705.95 = 52,276.99/x - Step 3: Cross multiply
94,721.20x = 130,705.95 × 52,276.99 - Step 4: Simplify right side
94,721.20x = 6,832,913,641.09 - Step 5: Solve for x
x = 6,832,913,641.09/94,721.20 - Step 6: Final answer
x = 72,137.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.