Finding the Fourth Proportional to 75,970.53, 113,877.99 and 38,461.05
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Solution
The fourth proportional to 75,970.53, 113,877.99 and 38,461.05 is: 57,652.19
Step by Step Solution
- Step 1: Write the proportion equation
75,970.53 : 113,877.99 = 38,461.05 : x - Step 2: Convert to fraction form
75,970.53/113,877.99 = 38,461.05/x - Step 3: Cross multiply
75,970.53x = 113,877.99 × 38,461.05 - Step 4: Simplify right side
75,970.53x = 4,379,867,067.29 - Step 5: Solve for x
x = 4,379,867,067.29/75,970.53 - Step 6: Final answer
x = 57,652.19
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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.