Finding the Fourth Proportional to 93,129.83, 139,643.71 and 36,912.99
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Solution
The fourth proportional to 93,129.83, 139,643.71 and 36,912.99 is: 55,349.26
Step by Step Solution
- Step 1: Write the proportion equation
93,129.83 : 139,643.71 = 36,912.99 : x - Step 2: Convert to fraction form
93,129.83/139,643.71 = 36,912.99/x - Step 3: Cross multiply
93,129.83x = 139,643.71 × 36,912.99 - Step 4: Simplify right side
93,129.83x = 5,154,666,778.51 - Step 5: Solve for x
x = 5,154,666,778.51/93,129.83 - Step 6: Final answer
x = 55,349.26
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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.