Finding the Fourth Proportional to 97,313.10, 134,293.05 and 57,050.70
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Solution
The fourth proportional to 97,313.10, 134,293.05 and 57,050.70 is: 78,730.54
Step by Step Solution
- Step 1: Write the proportion equation
97,313.10 : 134,293.05 = 57,050.70 : x - Step 2: Convert to fraction form
97,313.10/134,293.05 = 57,050.70/x - Step 3: Cross multiply
97,313.10x = 134,293.05 × 57,050.70 - Step 4: Simplify right side
97,313.10x = 7,661,512,507.64 - Step 5: Solve for x
x = 7,661,512,507.64/97,313.10 - Step 6: Final answer
x = 78,730.54
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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.