Finding the Fourth Proportional to 89,735.06, 134,631.16 and 26,555.53
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Solution
The fourth proportional to 89,735.06, 134,631.16 and 26,555.53 is: 39,841.75
Step by Step Solution
- Step 1: Write the proportion equation
89,735.06 : 134,631.16 = 26,555.53 : x - Step 2: Convert to fraction form
89,735.06/134,631.16 = 26,555.53/x - Step 3: Cross multiply
89,735.06x = 134,631.16 × 26,555.53 - Step 4: Simplify right side
89,735.06x = 3,575,201,808.31 - Step 5: Solve for x
x = 3,575,201,808.31/89,735.06 - Step 6: Final answer
x = 39,841.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.