Finding the Fourth Proportional to 84,745.10, 127,117.65 and 62,437.70
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Solution
The fourth proportional to 84,745.10, 127,117.65 and 62,437.70 is: 93,656.55
Step by Step Solution
- Step 1: Write the proportion equation
84,745.10 : 127,117.65 = 62,437.70 : x - Step 2: Convert to fraction form
84,745.10/127,117.65 = 62,437.70/x - Step 3: Cross multiply
84,745.10x = 127,117.65 × 62,437.70 - Step 4: Simplify right side
84,745.10x = 7,936,933,695.41 - Step 5: Solve for x
x = 7,936,933,695.41/84,745.10 - Step 6: Final answer
x = 93,656.55
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1.5x scale
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.