Finding the Fourth Proportional to 65,861.61, 98,792.56 and 37,963.99
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Solution
The fourth proportional to 65,861.61, 98,792.56 and 37,963.99 is: 56,946.07
Step by Step Solution
- Step 1: Write the proportion equation
65,861.61 : 98,792.56 = 37,963.99 : x - Step 2: Convert to fraction form
65,861.61/98,792.56 = 37,963.99/x - Step 3: Cross multiply
65,861.61x = 98,792.56 × 37,963.99 - Step 4: Simplify right side
65,861.61x = 3,750,559,930.86 - Step 5: Solve for x
x = 3,750,559,930.86/65,861.61 - Step 6: Final answer
x = 56,946.07
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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.