Finding the Fourth Proportional to 93,523.76, 129,069.38 and 53,237.54
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Solution
The fourth proportional to 93,523.76, 129,069.38 and 53,237.54 is: 73,471.56
Step by Step Solution
- Step 1: Write the proportion equation
93,523.76 : 129,069.38 = 53,237.54 : x - Step 2: Convert to fraction form
93,523.76/129,069.38 = 53,237.54/x - Step 3: Cross multiply
93,523.76x = 129,069.38 × 53,237.54 - Step 4: Simplify right side
93,523.76x = 6,871,336,280.53 - Step 5: Solve for x
x = 6,871,336,280.53/93,523.76 - Step 6: Final answer
x = 73,471.56
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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.