Finding the Fourth Proportional to 97,215.62, 134,174.96 and 56,927.03
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Solution
The fourth proportional to 97,215.62, 134,174.96 and 56,927.03 is: 78,569.49
Step by Step Solution
- Step 1: Write the proportion equation
97,215.62 : 134,174.96 = 56,927.03 : x - Step 2: Convert to fraction form
97,215.62/134,174.96 = 56,927.03/x - Step 3: Cross multiply
97,215.62x = 134,174.96 × 56,927.03 - Step 4: Simplify right side
97,215.62x = 7,638,181,017.66 - Step 5: Solve for x
x = 7,638,181,017.66/97,215.62 - Step 6: Final answer
x = 78,569.49
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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.