Finding the Fourth Proportional to 87,547.14, 120,814.95 and 51,750.06
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Solution
The fourth proportional to 87,547.14, 120,814.95 and 51,750.06 is: 71,415.02
Step by Step Solution
- Step 1: Write the proportion equation
87,547.14 : 120,814.95 = 51,750.06 : x - Step 2: Convert to fraction form
87,547.14/120,814.95 = 51,750.06/x - Step 3: Cross multiply
87,547.14x = 120,814.95 × 51,750.06 - Step 4: Simplify right side
87,547.14x = 6,252,180,911.40 - Step 5: Solve for x
x = 6,252,180,911.40/87,547.14 - Step 6: Final answer
x = 71,415.02
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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.