Finding the Fourth Proportional to 86,677.14, 130,056.94 and 60,064.08
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Solution
The fourth proportional to 86,677.14, 130,056.94 and 60,064.08 is: 90,124.70
Step by Step Solution
- Step 1: Write the proportion equation
86,677.14 : 130,056.94 = 60,064.08 : x - Step 2: Convert to fraction form
86,677.14/130,056.94 = 60,064.08/x - Step 3: Cross multiply
86,677.14x = 130,056.94 × 60,064.08 - Step 4: Simplify right side
86,677.14x = 7,811,750,767.65 - Step 5: Solve for x
x = 7,811,750,767.65/86,677.14 - Step 6: Final answer
x = 90,124.70
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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.