Finding the Fourth Proportional to 88,252.60, 121,782.12 and 50,012.80
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Solution
The fourth proportional to 88,252.60, 121,782.12 and 50,012.80 is: 69,014.00
Step by Step Solution
- Step 1: Write the proportion equation
88,252.60 : 121,782.12 = 50,012.80 : x - Step 2: Convert to fraction form
88,252.60/121,782.12 = 50,012.80/x - Step 3: Cross multiply
88,252.60x = 121,782.12 × 50,012.80 - Step 4: Simplify right side
88,252.60x = 6,090,664,811.14 - Step 5: Solve for x
x = 6,090,664,811.14/88,252.60 - Step 6: Final answer
x = 69,014.00
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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.