Finding the Fourth Proportional to 106,020.17, 146,308.95 and 57,622.09
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Solution
The fourth proportional to 106,020.17, 146,308.95 and 57,622.09 is: 79,519.09
Step by Step Solution
- Step 1: Write the proportion equation
106,020.17 : 146,308.95 = 57,622.09 : x - Step 2: Convert to fraction form
106,020.17/146,308.95 = 57,622.09/x - Step 3: Cross multiply
106,020.17x = 146,308.95 × 57,622.09 - Step 4: Simplify right side
106,020.17x = 8,430,627,484.71 - Step 5: Solve for x
x = 8,430,627,484.71/106,020.17 - Step 6: Final answer
x = 79,519.09
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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.