Finding the Fourth Proportional to 90,525.22, 125,028.49 and 59,618.63
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Solution
The fourth proportional to 90,525.22, 125,028.49 and 59,618.63 is: 82,341.99
Step by Step Solution
- Step 1: Write the proportion equation
90,525.22 : 125,028.49 = 59,618.63 : x - Step 2: Convert to fraction form
90,525.22/125,028.49 = 59,618.63/x - Step 3: Cross multiply
90,525.22x = 125,028.49 × 59,618.63 - Step 4: Simplify right side
90,525.22x = 7,454,026,823.15 - Step 5: Solve for x
x = 7,454,026,823.15/90,525.22 - Step 6: Final answer
x = 82,341.99
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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.