Finding the Fourth Proportional to 97,853.92, 135,034.80 and 53,140.96
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Solution
The fourth proportional to 97,853.92, 135,034.80 and 53,140.96 is: 73,332.56
Step by Step Solution
- Step 1: Write the proportion equation
97,853.92 : 135,034.80 = 53,140.96 : x - Step 2: Convert to fraction form
97,853.92/135,034.80 = 53,140.96/x - Step 3: Cross multiply
97,853.92x = 135,034.80 × 53,140.96 - Step 4: Simplify right side
97,853.92x = 7,175,878,905.41 - Step 5: Solve for x
x = 7,175,878,905.41/97,853.92 - Step 6: Final answer
x = 73,332.56
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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.