Finding the Fourth Proportional to 93,011.68, 139,364.16 and 53,601.92
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Solution
The fourth proportional to 93,011.68, 139,364.16 and 53,601.92 is: 80,314.50
Step by Step Solution
- Step 1: Write the proportion equation
93,011.68 : 139,364.16 = 53,601.92 : x - Step 2: Convert to fraction form
93,011.68/139,364.16 = 53,601.92/x - Step 3: Cross multiply
93,011.68x = 139,364.16 × 53,601.92 - Step 4: Simplify right side
93,011.68x = 7,470,186,555.19 - Step 5: Solve for x
x = 7,470,186,555.19/93,011.68 - Step 6: Final answer
x = 80,314.50
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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.