Finding the Fourth Proportional to 76,860.97, 106,027.81 and 62,536.81
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Solution
The fourth proportional to 76,860.97, 106,027.81 and 62,536.81 is: 86,267.99
Step by Step Solution
- Step 1: Write the proportion equation
76,860.97 : 106,027.81 = 62,536.81 : x - Step 2: Convert to fraction form
76,860.97/106,027.81 = 62,536.81/x - Step 3: Cross multiply
76,860.97x = 106,027.81 × 62,536.81 - Step 4: Simplify right side
76,860.97x = 6,630,640,984.88 - Step 5: Solve for x
x = 6,630,640,984.88/76,860.97 - Step 6: Final answer
x = 86,267.99
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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.