Finding the Fourth Proportional to 93,934.10, 129,630.63 and 50,914.96
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Solution
The fourth proportional to 93,934.10, 129,630.63 and 50,914.96 is: 70,263.50
Step by Step Solution
- Step 1: Write the proportion equation
93,934.10 : 129,630.63 = 50,914.96 : x - Step 2: Convert to fraction form
93,934.10/129,630.63 = 50,914.96/x - Step 3: Cross multiply
93,934.10x = 129,630.63 × 50,914.96 - Step 4: Simplify right side
93,934.10x = 6,600,138,341.22 - Step 5: Solve for x
x = 6,600,138,341.22/93,934.10 - Step 6: Final answer
x = 70,263.50
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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.