Finding the Fourth Proportional to 106,000.07, 146,280.99 and 57,601.99
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Solution
The fourth proportional to 106,000.07, 146,280.99 and 57,601.99 is: 79,491.23
Step by Step Solution
- Step 1: Write the proportion equation
106,000.07 : 146,280.99 = 57,601.99 : x - Step 2: Convert to fraction form
106,000.07/146,280.99 = 57,601.99/x - Step 3: Cross multiply
106,000.07x = 146,280.99 × 57,601.99 - Step 4: Simplify right side
106,000.07x = 8,426,075,375.19 - Step 5: Solve for x
x = 8,426,075,375.19/106,000.07 - Step 6: Final answer
x = 79,491.23
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1.5x scale
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.