Finding the Fourth Proportional to 73,358.40, 110,037.60 and 55,643.70
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Solution
The fourth proportional to 73,358.40, 110,037.60 and 55,643.70 is: 83,465.55
Step by Step Solution
- Step 1: Write the proportion equation
73,358.40 : 110,037.60 = 55,643.70 : x - Step 2: Convert to fraction form
73,358.40/110,037.60 = 55,643.70/x - Step 3: Cross multiply
73,358.40x = 110,037.60 × 55,643.70 - Step 4: Simplify right side
73,358.40x = 6,122,899,203.12 - Step 5: Solve for x
x = 6,122,899,203.12/73,358.40 - Step 6: Final answer
x = 83,465.55
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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.