Finding the Fourth Proportional to 97,175.28, 134,056.07 and 56,864.31
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Solution
The fourth proportional to 97,175.28, 134,056.07 and 56,864.31 is: 78,445.94
Step by Step Solution
- Step 1: Write the proportion equation
97,175.28 : 134,056.07 = 56,864.31 : x - Step 2: Convert to fraction form
97,175.28/134,056.07 = 56,864.31/x - Step 3: Cross multiply
97,175.28x = 134,056.07 × 56,864.31 - Step 4: Simplify right side
97,175.28x = 7,623,006,353.49 - Step 5: Solve for x
x = 7,623,006,353.49/97,175.28 - Step 6: Final answer
x = 78,445.94
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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.