Finding the Fourth Proportional to 97,454.32, 134,484.24 and 55,016.80
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Solution
The fourth proportional to 97,454.32, 134,484.24 and 55,016.80 is: 75,921.65
Step by Step Solution
- Step 1: Write the proportion equation
97,454.32 : 134,484.24 = 55,016.80 : x - Step 2: Convert to fraction form
97,454.32/134,484.24 = 55,016.80/x - Step 3: Cross multiply
97,454.32x = 134,484.24 × 55,016.80 - Step 4: Simplify right side
97,454.32x = 7,398,892,535.23 - Step 5: Solve for x
x = 7,398,892,535.23/97,454.32 - Step 6: Final answer
x = 75,921.65
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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.