Finding the Fourth Proportional to 87,133.04, 130,535.24 and 51,488.08
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Solution
The fourth proportional to 87,133.04, 130,535.24 and 51,488.08 is: 77,135.02
Step by Step Solution
- Step 1: Write the proportion equation
87,133.04 : 130,535.24 = 51,488.08 : x - Step 2: Convert to fraction form
87,133.04/130,535.24 = 51,488.08/x - Step 3: Cross multiply
87,133.04x = 130,535.24 × 51,488.08 - Step 4: Simplify right side
87,133.04x = 6,721,008,879.94 - Step 5: Solve for x
x = 6,721,008,879.94/87,133.04 - Step 6: Final answer
x = 77,135.02
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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.