Finding the Fourth Proportional to 93,938.01, 129,639.68 and 53,664.84
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Solution
The fourth proportional to 93,938.01, 129,639.68 and 53,664.84 is: 74,060.46
Step by Step Solution
- Step 1: Write the proportion equation
93,938.01 : 129,639.68 = 53,664.84 : x - Step 2: Convert to fraction form
93,938.01/129,639.68 = 53,664.84/x - Step 3: Cross multiply
93,938.01x = 129,639.68 × 53,664.84 - Step 4: Simplify right side
93,938.01x = 6,957,092,416.53 - Step 5: Solve for x
x = 6,957,092,416.53/93,938.01 - Step 6: Final answer
x = 74,060.46
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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.