Finding the Fourth Proportional to 107,024.18, 147,686.88 and 59,274.68
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Solution
The fourth proportional to 107,024.18, 147,686.88 and 59,274.68 is: 81,795.46
Step by Step Solution
- Step 1: Write the proportion equation
107,024.18 : 147,686.88 = 59,274.68 : x - Step 2: Convert to fraction form
107,024.18/147,686.88 = 59,274.68/x - Step 3: Cross multiply
107,024.18x = 147,686.88 × 59,274.68 - Step 4: Simplify right side
107,024.18x = 8,754,092,552.20 - Step 5: Solve for x
x = 8,754,092,552.20/107,024.18 - Step 6: Final answer
x = 81,795.46
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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.