Finding the Fourth Proportional to 73,335.60, 101,203.24 and 39,801.68
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Solution
The fourth proportional to 73,335.60, 101,203.24 and 39,801.68 is: 54,926.38
Step by Step Solution
- Step 1: Write the proportion equation
73,335.60 : 101,203.24 = 39,801.68 : x - Step 2: Convert to fraction form
73,335.60/101,203.24 = 39,801.68/x - Step 3: Cross multiply
73,335.60x = 101,203.24 × 39,801.68 - Step 4: Simplify right side
73,335.60x = 4,028,058,973.44 - Step 5: Solve for x
x = 4,028,058,973.44/73,335.60 - Step 6: Final answer
x = 54,926.38
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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.