Finding the Fourth Proportional to 75,432.42, 113,164.83 and 25,510.05
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Solution
The fourth proportional to 75,432.42, 113,164.83 and 25,510.05 is: 38,270.55
Step by Step Solution
- Step 1: Write the proportion equation
75,432.42 : 113,164.83 = 25,510.05 : x - Step 2: Convert to fraction form
75,432.42/113,164.83 = 25,510.05/x - Step 3: Cross multiply
75,432.42x = 113,164.83 × 25,510.05 - Step 4: Simplify right side
75,432.42x = 2,886,840,471.54 - Step 5: Solve for x
x = 2,886,840,471.54/75,432.42 - Step 6: Final answer
x = 38,270.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.