Finding the Fourth Proportional to 83,459.97, 125,220.74 and 39,101.13
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Solution
The fourth proportional to 83,459.97, 125,220.74 and 39,101.13 is: 58,666.12
Step by Step Solution
- Step 1: Write the proportion equation
83,459.97 : 125,220.74 = 39,101.13 : x - Step 2: Convert to fraction form
83,459.97/125,220.74 = 39,101.13/x - Step 3: Cross multiply
83,459.97x = 125,220.74 × 39,101.13 - Step 4: Simplify right side
83,459.97x = 4,896,272,237.93 - Step 5: Solve for x
x = 4,896,272,237.93/83,459.97 - Step 6: Final answer
x = 58,666.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.