Finding the Fourth Proportional to 76,248.87, 114,388.59 and 26,330.79
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Solution
The fourth proportional to 76,248.87, 114,388.59 and 26,330.79 is: 39,501.46
Step by Step Solution
- Step 1: Write the proportion equation
76,248.87 : 114,388.59 = 26,330.79 : x - Step 2: Convert to fraction form
76,248.87/114,388.59 = 26,330.79/x - Step 3: Cross multiply
76,248.87x = 114,388.59 × 26,330.79 - Step 4: Simplify right side
76,248.87x = 3,011,941,941.69 - Step 5: Solve for x
x = 3,011,941,941.69/76,248.87 - Step 6: Final answer
x = 39,501.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.