Finding the Fourth Proportional to 88,309.71, 121,867.97 and 48,023.91
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Solution
The fourth proportional to 88,309.71, 121,867.97 and 48,023.91 is: 66,273.31
Step by Step Solution
- Step 1: Write the proportion equation
88,309.71 : 121,867.97 = 48,023.91 : x - Step 2: Convert to fraction form
88,309.71/121,867.97 = 48,023.91/x - Step 3: Cross multiply
88,309.71x = 121,867.97 × 48,023.91 - Step 4: Simplify right side
88,309.71x = 5,852,576,423.16 - Step 5: Solve for x
x = 5,852,576,423.16/88,309.71 - Step 6: Final answer
x = 66,273.31
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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.