Finding the Fourth Proportional to 97,554.08, 134,621.88 and 57,267.20
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Solution
The fourth proportional to 97,554.08, 134,621.88 and 57,267.20 is: 79,027.12
Step by Step Solution
- Step 1: Write the proportion equation
97,554.08 : 134,621.88 = 57,267.20 : x - Step 2: Convert to fraction form
97,554.08/134,621.88 = 57,267.20/x - Step 3: Cross multiply
97,554.08x = 134,621.88 × 57,267.20 - Step 4: Simplify right side
97,554.08x = 7,709,418,126.34 - Step 5: Solve for x
x = 7,709,418,126.34/97,554.08 - Step 6: Final answer
x = 79,027.12
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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.