Finding the Fourth Proportional to 88,430.42, 122,044.56 and 52,140.08
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Solution
The fourth proportional to 88,430.42, 122,044.56 and 52,140.08 is: 71,959.55
Step by Step Solution
- Step 1: Write the proportion equation
88,430.42 : 122,044.56 = 52,140.08 : x - Step 2: Convert to fraction form
88,430.42/122,044.56 = 52,140.08/x - Step 3: Cross multiply
88,430.42x = 122,044.56 × 52,140.08 - Step 4: Simplify right side
88,430.42x = 6,363,413,121.96 - Step 5: Solve for x
x = 6,363,413,121.96/88,430.42 - Step 6: Final answer
x = 71,959.55
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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.