Finding the Fourth Proportional to 106,335.68, 159,454.92 and 39,726.95
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Solution
The fourth proportional to 106,335.68, 159,454.92 and 39,726.95 is: 59,572.27
Step by Step Solution
- Step 1: Write the proportion equation
106,335.68 : 159,454.92 = 39,726.95 : x - Step 2: Convert to fraction form
106,335.68/159,454.92 = 39,726.95/x - Step 3: Cross multiply
106,335.68x = 159,454.92 × 39,726.95 - Step 4: Simplify right side
106,335.68x = 6,334,657,634.09 - Step 5: Solve for x
x = 6,334,657,634.09/106,335.68 - Step 6: Final answer
x = 59,572.27
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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.