Finding the Fourth Proportional to 110,959.47, 153,124.11 and 59,972.09
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Solution
The fourth proportional to 110,959.47, 153,124.11 and 59,972.09 is: 82,761.50
Step by Step Solution
- Step 1: Write the proportion equation
110,959.47 : 153,124.11 = 59,972.09 : x - Step 2: Convert to fraction form
110,959.47/153,124.11 = 59,972.09/x - Step 3: Cross multiply
110,959.47x = 153,124.11 × 59,972.09 - Step 4: Simplify right side
110,959.47x = 9,183,172,140.47 - Step 5: Solve for x
x = 9,183,172,140.47/110,959.47 - Step 6: Final answer
x = 82,761.50
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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.