Finding the Fourth Proportional to 75,880.33, 104,655.65 and 48,659.00
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Solution
The fourth proportional to 75,880.33, 104,655.65 and 48,659.00 is: 67,111.45
Step by Step Solution
- Step 1: Write the proportion equation
75,880.33 : 104,655.65 = 48,659.00 : x - Step 2: Convert to fraction form
75,880.33/104,655.65 = 48,659.00/x - Step 3: Cross multiply
75,880.33x = 104,655.65 × 48,659.00 - Step 4: Simplify right side
75,880.33x = 5,092,438,506.78 - Step 5: Solve for x
x = 5,092,438,506.78/75,880.33 - Step 6: Final answer
x = 67,111.45
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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.