Finding the Fourth Proportional to 93,726.36, 140,587.74 and 27,163.80
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Solution
The fourth proportional to 93,726.36, 140,587.74 and 27,163.80 is: 40,745.18
Step by Step Solution
- Step 1: Write the proportion equation
93,726.36 : 140,587.74 = 27,163.80 : x - Step 2: Convert to fraction form
93,726.36/140,587.74 = 27,163.80/x - Step 3: Cross multiply
93,726.36x = 140,587.74 × 27,163.80 - Step 4: Simplify right side
93,726.36x = 3,818,897,251.81 - Step 5: Solve for x
x = 3,818,897,251.81/93,726.36 - Step 6: Final answer
x = 40,745.18
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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.