Finding the Fourth Proportional to 97,285.80, 134,244.56 and 71,806.08
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Solution
The fourth proportional to 97,285.80, 134,244.56 and 71,806.08 is: 99,085.12
Step by Step Solution
- Step 1: Write the proportion equation
97,285.80 : 134,244.56 = 71,806.08 : x - Step 2: Convert to fraction form
97,285.80/134,244.56 = 71,806.08/x - Step 3: Cross multiply
97,285.80x = 134,244.56 × 71,806.08 - Step 4: Simplify right side
97,285.80x = 9,639,575,614.92 - Step 5: Solve for x
x = 9,639,575,614.92/97,285.80 - Step 6: Final answer
x = 99,085.12
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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.