Finding the Fourth Proportional to 97,738.92, 134,848.80 and 57,439.80
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Solution
The fourth proportional to 97,738.92, 134,848.80 and 57,439.80 is: 79,248.76
Step by Step Solution
- Step 1: Write the proportion equation
97,738.92 : 134,848.80 = 57,439.80 : x - Step 2: Convert to fraction form
97,738.92/134,848.80 = 57,439.80/x - Step 3: Cross multiply
97,738.92x = 134,848.80 × 57,439.80 - Step 4: Simplify right side
97,738.92x = 7,745,688,102.24 - Step 5: Solve for x
x = 7,745,688,102.24/97,738.92 - Step 6: Final answer
x = 79,248.76
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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.