Finding the Fourth Proportional to 83,864.79, 115,672.95 and 48,041.73
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Solution
The fourth proportional to 83,864.79, 115,672.95 and 48,041.73 is: 66,262.95
Step by Step Solution
- Step 1: Write the proportion equation
83,864.79 : 115,672.95 = 48,041.73 : x - Step 2: Convert to fraction form
83,864.79/115,672.95 = 48,041.73/x - Step 3: Cross multiply
83,864.79x = 115,672.95 × 48,041.73 - Step 4: Simplify right side
83,864.79x = 5,557,128,632.20 - Step 5: Solve for x
x = 5,557,128,632.20/83,864.79 - Step 6: Final answer
x = 66,262.95
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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.