Finding the Fourth Proportional to 101,931.08, 152,663.84 and 48,660.53
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Solution
The fourth proportional to 101,931.08, 152,663.84 and 48,660.53 is: 72,879.67
Step by Step Solution
- Step 1: Write the proportion equation
101,931.08 : 152,663.84 = 48,660.53 : x - Step 2: Convert to fraction form
101,931.08/152,663.84 = 48,660.53/x - Step 3: Cross multiply
101,931.08x = 152,663.84 × 48,660.53 - Step 4: Simplify right side
101,931.08x = 7,428,703,122.93 - Step 5: Solve for x
x = 7,428,703,122.93/101,931.08 - Step 6: Final answer
x = 72,879.67
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.