Finding the Fourth Proportional to 75,701.34, 113,598.99 and 51,411.06
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Solution
The fourth proportional to 75,701.34, 113,598.99 and 51,411.06 is: 77,148.50
Step by Step Solution
- Step 1: Write the proportion equation
75,701.34 : 113,598.99 = 51,411.06 : x - Step 2: Convert to fraction form
75,701.34/113,598.99 = 51,411.06/x - Step 3: Cross multiply
75,701.34x = 113,598.99 × 51,411.06 - Step 4: Simplify right side
75,701.34x = 5,840,244,490.83 - Step 5: Solve for x
x = 5,840,244,490.83/75,701.34 - Step 6: Final answer
x = 77,148.50
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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.