Finding the Fourth Proportional to 103,854.79, 155,782.11 and 24,968.99
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Solution
The fourth proportional to 103,854.79, 155,782.11 and 24,968.99 is: 37,453.47
Step by Step Solution
- Step 1: Write the proportion equation
103,854.79 : 155,782.11 = 24,968.99 : x - Step 2: Convert to fraction form
103,854.79/155,782.11 = 24,968.99/x - Step 3: Cross multiply
103,854.79x = 155,782.11 × 24,968.99 - Step 4: Simplify right side
103,854.79x = 3,889,721,946.77 - Step 5: Solve for x
x = 3,889,721,946.77/103,854.79 - Step 6: Final answer
x = 37,453.47
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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.