Finding the Fourth Proportional to 75,562.34, 113,269.70 and 38,009.75
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Solution
The fourth proportional to 75,562.34, 113,269.70 and 38,009.75 is: 56,977.49
Step by Step Solution
- Step 1: Write the proportion equation
75,562.34 : 113,269.70 = 38,009.75 : x - Step 2: Convert to fraction form
75,562.34/113,269.70 = 38,009.75/x - Step 3: Cross multiply
75,562.34x = 113,269.70 × 38,009.75 - Step 4: Simplify right side
75,562.34x = 4,305,352,223.18 - Step 5: Solve for x
x = 4,305,352,223.18/75,562.34 - Step 6: Final answer
x = 56,977.49
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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.