Finding the Fourth Proportional to 75,422.03, 104,058.99 and 43,579.31
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Solution
The fourth proportional to 75,422.03, 104,058.99 and 43,579.31 is: 60,125.92
Step by Step Solution
- Step 1: Write the proportion equation
75,422.03 : 104,058.99 = 43,579.31 : x - Step 2: Convert to fraction form
75,422.03/104,058.99 = 43,579.31/x - Step 3: Cross multiply
75,422.03x = 104,058.99 × 43,579.31 - Step 4: Simplify right side
75,422.03x = 4,534,818,983.50 - Step 5: Solve for x
x = 4,534,818,983.50/75,422.03 - Step 6: Final answer
x = 60,125.92
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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.