Finding the Fourth Proportional to 84,533.18, 116,777.30 and 67,515.08
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Solution
The fourth proportional to 84,533.18, 116,777.30 and 67,515.08 is: 93,267.85
Step by Step Solution
- Step 1: Write the proportion equation
84,533.18 : 116,777.30 = 67,515.08 : x - Step 2: Convert to fraction form
84,533.18/116,777.30 = 67,515.08/x - Step 3: Cross multiply
84,533.18x = 116,777.30 × 67,515.08 - Step 4: Simplify right side
84,533.18x = 7,884,227,830.22 - Step 5: Solve for x
x = 7,884,227,830.22/84,533.18 - Step 6: Final answer
x = 93,267.85
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1.5x scale
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.