Finding the Fourth Proportional to 83,806.90, 125,627.31 and 39,354.08
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Solution
The fourth proportional to 83,806.90, 125,627.31 and 39,354.08 is: 58,992.12
Step by Step Solution
- Step 1: Write the proportion equation
83,806.90 : 125,627.31 = 39,354.08 : x - Step 2: Convert to fraction form
83,806.90/125,627.31 = 39,354.08/x - Step 3: Cross multiply
83,806.90x = 125,627.31 × 39,354.08 - Step 4: Simplify right side
83,806.90x = 4,943,946,579.79 - Step 5: Solve for x
x = 4,943,946,579.79/83,806.90 - Step 6: Final answer
x = 58,992.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.