Finding the Fourth Proportional to 75,312.47, 103,847.22 and 48,417.84
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Solution
The fourth proportional to 75,312.47, 103,847.22 and 48,417.84 is: 66,762.62
Step by Step Solution
- Step 1: Write the proportion equation
75,312.47 : 103,847.22 = 48,417.84 : x - Step 2: Convert to fraction form
75,312.47/103,847.22 = 48,417.84/x - Step 3: Cross multiply
75,312.47x = 103,847.22 × 48,417.84 - Step 4: Simplify right side
75,312.47x = 5,028,058,082.40 - Step 5: Solve for x
x = 5,028,058,082.40/75,312.47 - Step 6: Final answer
x = 66,762.62
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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.