Finding the Fourth Proportional to 88,184.99, 121,696.18 and 47,899.54
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Solution
The fourth proportional to 88,184.99, 121,696.18 and 47,899.54 is: 66,101.85
Step by Step Solution
- Step 1: Write the proportion equation
88,184.99 : 121,696.18 = 47,899.54 : x - Step 2: Convert to fraction form
88,184.99/121,696.18 = 47,899.54/x - Step 3: Cross multiply
88,184.99x = 121,696.18 × 47,899.54 - Step 4: Simplify right side
88,184.99x = 5,829,191,041.76 - Step 5: Solve for x
x = 5,829,191,041.76/88,184.99 - Step 6: Final answer
x = 66,101.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.