Finding the Fourth Proportional to 93,283.28, 128,730.96 and 50,841.80
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Solution
The fourth proportional to 93,283.28, 128,730.96 and 50,841.80 is: 70,161.70
Step by Step Solution
- Step 1: Write the proportion equation
93,283.28 : 128,730.96 = 50,841.80 : x - Step 2: Convert to fraction form
93,283.28/128,730.96 = 50,841.80/x - Step 3: Cross multiply
93,283.28x = 128,730.96 × 50,841.80 - Step 4: Simplify right side
93,283.28x = 6,544,913,722.13 - Step 5: Solve for x
x = 6,544,913,722.13/93,283.28 - Step 6: Final answer
x = 70,161.70
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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.