Finding the Fourth Proportional to 87,325.36, 130,878.51 and 37,346.79
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Solution
The fourth proportional to 87,325.36, 130,878.51 and 37,346.79 is: 55,973.33
Step by Step Solution
- Step 1: Write the proportion equation
87,325.36 : 130,878.51 = 37,346.79 : x - Step 2: Convert to fraction form
87,325.36/130,878.51 = 37,346.79/x - Step 3: Cross multiply
87,325.36x = 130,878.51 × 37,346.79 - Step 4: Simplify right side
87,325.36x = 4,887,891,574.09 - Step 5: Solve for x
x = 4,887,891,574.09/87,325.36 - Step 6: Final answer
x = 55,973.33
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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.