Finding the Fourth Proportional to 83,332.13, 124,998.26 and 21,002.63
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Solution
The fourth proportional to 83,332.13, 124,998.26 and 21,002.63 is: 31,503.95
Step by Step Solution
- Step 1: Write the proportion equation
83,332.13 : 124,998.26 = 21,002.63 : x - Step 2: Convert to fraction form
83,332.13/124,998.26 = 21,002.63/x - Step 3: Cross multiply
83,332.13x = 124,998.26 × 21,002.63 - Step 4: Simplify right side
83,332.13x = 2,625,291,475.42 - Step 5: Solve for x
x = 2,625,291,475.42/83,332.13 - Step 6: Final answer
x = 31,503.95
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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.