Finding the Fourth Proportional to 97,350.04, 134,331.78 and 54,909.28
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Solution
The fourth proportional to 97,350.04, 134,331.78 and 54,909.28 is: 75,768.45
Step by Step Solution
- Step 1: Write the proportion equation
97,350.04 : 134,331.78 = 54,909.28 : x - Step 2: Convert to fraction form
97,350.04/134,331.78 = 54,909.28/x - Step 3: Cross multiply
97,350.04x = 134,331.78 × 54,909.28 - Step 4: Simplify right side
97,350.04x = 7,376,061,320.92 - Step 5: Solve for x
x = 7,376,061,320.92/97,350.04 - Step 6: Final answer
x = 75,768.45
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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.