Finding the Fourth Proportional to 83,370.60, 125,042.76 and 27,210.42
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Solution
The fourth proportional to 83,370.60, 125,042.76 and 27,210.42 is: 40,811.34
Step by Step Solution
- Step 1: Write the proportion equation
83,370.60 : 125,042.76 = 27,210.42 : x - Step 2: Convert to fraction form
83,370.60/125,042.76 = 27,210.42/x - Step 3: Cross multiply
83,370.60x = 125,042.76 × 27,210.42 - Step 4: Simplify right side
83,370.60x = 3,402,466,017.56 - Step 5: Solve for x
x = 3,402,466,017.56/83,370.60 - Step 6: Final answer
x = 40,811.34
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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.