Finding the Fourth Proportional to 88,030.44, 121,475.70 and 50,303.88
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Solution
The fourth proportional to 88,030.44, 121,475.70 and 50,303.88 is: 69,415.75
Step by Step Solution
- Step 1: Write the proportion equation
88,030.44 : 121,475.70 = 50,303.88 : x - Step 2: Convert to fraction form
88,030.44/121,475.70 = 50,303.88/x - Step 3: Cross multiply
88,030.44x = 121,475.70 × 50,303.88 - Step 4: Simplify right side
88,030.44x = 6,110,699,035.72 - Step 5: Solve for x
x = 6,110,699,035.72/88,030.44 - Step 6: Final answer
x = 69,415.75
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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.