Finding the Fourth Proportional to 75,058.32, 103,649.36 and 48,247.52
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Solution
The fourth proportional to 75,058.32, 103,649.36 and 48,247.52 is: 66,625.85
Step by Step Solution
- Step 1: Write the proportion equation
75,058.32 : 103,649.36 = 48,247.52 : x - Step 2: Convert to fraction form
75,058.32/103,649.36 = 48,247.52/x - Step 3: Cross multiply
75,058.32x = 103,649.36 × 48,247.52 - Step 4: Simplify right side
75,058.32x = 5,000,824,587.47 - Step 5: Solve for x
x = 5,000,824,587.47/75,058.32 - Step 6: Final answer
x = 66,625.85
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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.