Finding the Fourth Proportional to 75,392.36, 104,009.63 and 45,168.02
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Solution
The fourth proportional to 75,392.36, 104,009.63 and 45,168.02 is: 62,312.80
Step by Step Solution
- Step 1: Write the proportion equation
75,392.36 : 104,009.63 = 45,168.02 : x - Step 2: Convert to fraction form
75,392.36/104,009.63 = 45,168.02/x - Step 3: Cross multiply
75,392.36x = 104,009.63 × 45,168.02 - Step 4: Simplify right side
75,392.36x = 4,697,909,048.03 - Step 5: Solve for x
x = 4,697,909,048.03/75,392.36 - Step 6: Final answer
x = 62,312.80
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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.