Finding the Fourth Proportional to 77,502.76, 106,750.10 and 59,563.44
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Solution
The fourth proportional to 77,502.76, 106,750.10 and 59,563.44 is: 82,040.99
Step by Step Solution
- Step 1: Write the proportion equation
77,502.76 : 106,750.10 = 59,563.44 : x - Step 2: Convert to fraction form
77,502.76/106,750.10 = 59,563.44/x - Step 3: Cross multiply
77,502.76x = 106,750.10 × 59,563.44 - Step 4: Simplify right side
77,502.76x = 6,358,403,176.34 - Step 5: Solve for x
x = 6,358,403,176.34/77,502.76 - Step 6: Final answer
x = 82,040.99
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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.