Finding the Fourth Proportional to 73,951.80, 110,927.70 and 65,641.20
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Solution
The fourth proportional to 73,951.80, 110,927.70 and 65,641.20 is: 98,461.80
Step by Step Solution
- Step 1: Write the proportion equation
73,951.80 : 110,927.70 = 65,641.20 : x - Step 2: Convert to fraction form
73,951.80/110,927.70 = 65,641.20/x - Step 3: Cross multiply
73,951.80x = 110,927.70 × 65,641.20 - Step 4: Simplify right side
73,951.80x = 7,281,427,341.24 - Step 5: Solve for x
x = 7,281,427,341.24/73,951.80 - Step 6: Final answer
x = 98,461.80
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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.