Finding the Fourth Proportional to 88,693.80, 133,040.70 and 39,445.80
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Solution
The fourth proportional to 88,693.80, 133,040.70 and 39,445.80 is: 59,168.70
Step by Step Solution
- Step 1: Write the proportion equation
88,693.80 : 133,040.70 = 39,445.80 : x - Step 2: Convert to fraction form
88,693.80/133,040.70 = 39,445.80/x - Step 3: Cross multiply
88,693.80x = 133,040.70 × 39,445.80 - Step 4: Simplify right side
88,693.80x = 5,247,896,844.06 - Step 5: Solve for x
x = 5,247,896,844.06/88,693.80 - Step 6: Final answer
x = 59,168.70
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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.