Finding the Fourth Proportional to 97,642.68, 134,747.10 and 52,930.68
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Solution
The fourth proportional to 97,642.68, 134,747.10 and 52,930.68 is: 73,044.45
Step by Step Solution
- Step 1: Write the proportion equation
97,642.68 : 134,747.10 = 52,930.68 : x - Step 2: Convert to fraction form
97,642.68/134,747.10 = 52,930.68/x - Step 3: Cross multiply
97,642.68x = 134,747.10 × 52,930.68 - Step 4: Simplify right side
97,642.68x = 7,132,255,631.03 - Step 5: Solve for x
x = 7,132,255,631.03/97,642.68 - Step 6: Final answer
x = 73,044.45
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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.