Finding the Fourth Proportional to 84,000.30, 125,827.65 and 57,734.70
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Solution
The fourth proportional to 84,000.30, 125,827.65 and 57,734.70 is: 86,483.28
Step by Step Solution
- Step 1: Write the proportion equation
84,000.30 : 125,827.65 = 57,734.70 : x - Step 2: Convert to fraction form
84,000.30/125,827.65 = 57,734.70/x - Step 3: Cross multiply
84,000.30x = 125,827.65 × 57,734.70 - Step 4: Simplify right side
84,000.30x = 7,264,621,624.46 - Step 5: Solve for x
x = 7,264,621,624.46/84,000.30 - Step 6: Final answer
x = 86,483.28
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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.