Finding the Fourth Proportional to 94,821.84, 130,880.21 and 58,990.48
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Solution
The fourth proportional to 94,821.84, 130,880.21 and 58,990.48 is: 81,423.07
Step by Step Solution
- Step 1: Write the proportion equation
94,821.84 : 130,880.21 = 58,990.48 : x - Step 2: Convert to fraction form
94,821.84/130,880.21 = 58,990.48/x - Step 3: Cross multiply
94,821.84x = 130,880.21 × 58,990.48 - Step 4: Simplify right side
94,821.84x = 7,720,685,788.25 - Step 5: Solve for x
x = 7,720,685,788.25/94,821.84 - Step 6: Final answer
x = 81,423.07
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1.5x scale
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.