Finding the Fourth Proportional to 76,024.49, 104,909.55 and 42,030.99
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Solution
The fourth proportional to 76,024.49, 104,909.55 and 42,030.99 is: 58,000.43
Step by Step Solution
- Step 1: Write the proportion equation
76,024.49 : 104,909.55 = 42,030.99 : x - Step 2: Convert to fraction form
76,024.49/104,909.55 = 42,030.99/x - Step 3: Cross multiply
76,024.49x = 104,909.55 × 42,030.99 - Step 4: Simplify right side
76,024.49x = 4,409,452,614.31 - Step 5: Solve for x
x = 4,409,452,614.31/76,024.49 - Step 6: Final answer
x = 58,000.43
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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.