Finding the Fourth Proportional to 86,772.80, 119,746.73 and 48,533.00
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Solution
The fourth proportional to 86,772.80, 119,746.73 and 48,533.00 is: 66,975.68
Step by Step Solution
- Step 1: Write the proportion equation
86,772.80 : 119,746.73 = 48,533.00 : x - Step 2: Convert to fraction form
86,772.80/119,746.73 = 48,533.00/x - Step 3: Cross multiply
86,772.80x = 119,746.73 × 48,533.00 - Step 4: Simplify right side
86,772.80x = 5,811,667,769.98 - Step 5: Solve for x
x = 5,811,667,769.98/86,772.80 - Step 6: Final answer
x = 66,975.68
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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.