Finding the Fourth Proportional to 76,987.91, 106,220.08 and 44,716.30
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Solution
The fourth proportional to 76,987.91, 106,220.08 and 44,716.30 is: 61,695.00
Step by Step Solution
- Step 1: Write the proportion equation
76,987.91 : 106,220.08 = 44,716.30 : x - Step 2: Convert to fraction form
76,987.91/106,220.08 = 44,716.30/x - Step 3: Cross multiply
76,987.91x = 106,220.08 × 44,716.30 - Step 4: Simplify right side
76,987.91x = 4,749,768,963.30 - Step 5: Solve for x
x = 4,749,768,963.30/76,987.91 - Step 6: Final answer
x = 61,695.00
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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.