Finding the Fourth Proportional to 76,943.95, 115,459.76 and 61,459.99
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Solution
The fourth proportional to 76,943.95, 115,459.76 and 61,459.99 is: 92,225.00
Step by Step Solution
- Step 1: Write the proportion equation
76,943.95 : 115,459.76 = 61,459.99 : x - Step 2: Convert to fraction form
76,943.95/115,459.76 = 61,459.99/x - Step 3: Cross multiply
76,943.95x = 115,459.76 × 61,459.99 - Step 4: Simplify right side
76,943.95x = 7,096,155,560.00 - Step 5: Solve for x
x = 7,096,155,560.00/76,943.95 - Step 6: Final answer
x = 92,225.00
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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.