Finding the Fourth Proportional to 94,000.57, 129,720.07 and 51,558.80
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Solution
The fourth proportional to 94,000.57, 129,720.07 and 51,558.80 is: 71,150.75
Step by Step Solution
- Step 1: Write the proportion equation
94,000.57 : 129,720.07 = 51,558.80 : x - Step 2: Convert to fraction form
94,000.57/129,720.07 = 51,558.80/x - Step 3: Cross multiply
94,000.57x = 129,720.07 × 51,558.80 - Step 4: Simplify right side
94,000.57x = 6,688,210,625.41 - Step 5: Solve for x
x = 6,688,210,625.41/94,000.57 - Step 6: Final answer
x = 71,150.75
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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.