Finding the Fourth Proportional to 77,152.23, 115,699.46 and 26,536.95
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Solution
The fourth proportional to 77,152.23, 115,699.46 and 26,536.95 is: 39,795.49
Step by Step Solution
- Step 1: Write the proportion equation
77,152.23 : 115,699.46 = 26,536.95 : x - Step 2: Convert to fraction form
77,152.23/115,699.46 = 26,536.95/x - Step 3: Cross multiply
77,152.23x = 115,699.46 × 26,536.95 - Step 4: Simplify right side
77,152.23x = 3,070,310,652.36 - Step 5: Solve for x
x = 3,070,310,652.36/77,152.23 - Step 6: Final answer
x = 39,795.49
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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.