Finding the Fourth Proportional to 90,327.60, 124,648.54 and 50,041.99
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Solution
The fourth proportional to 90,327.60, 124,648.54 and 50,041.99 is: 69,055.98
Step by Step Solution
- Step 1: Write the proportion equation
90,327.60 : 124,648.54 = 50,041.99 : x - Step 2: Convert to fraction form
90,327.60/124,648.54 = 50,041.99/x - Step 3: Cross multiply
90,327.60x = 124,648.54 × 50,041.99 - Step 4: Simplify right side
90,327.60x = 6,237,660,741.98 - Step 5: Solve for x
x = 6,237,660,741.98/90,327.60 - Step 6: Final answer
x = 69,055.98
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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.