Finding the Fourth Proportional to 73,335.21, 101,202.57 and 39,801.21
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Solution
The fourth proportional to 73,335.21, 101,202.57 and 39,801.21 is: 54,925.66
Step by Step Solution
- Step 1: Write the proportion equation
73,335.21 : 101,202.57 = 39,801.21 : x - Step 2: Convert to fraction form
73,335.21/101,202.57 = 39,801.21/x - Step 3: Cross multiply
73,335.21x = 101,202.57 × 39,801.21 - Step 4: Simplify right side
73,335.21x = 4,027,984,741.11 - Step 5: Solve for x
x = 4,027,984,741.11/73,335.21 - Step 6: Final answer
x = 54,925.66
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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.