Finding the Fourth Proportional to 97,679.75, 134,798.12 and 52,967.75
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Solution
The fourth proportional to 97,679.75, 134,798.12 and 52,967.75 is: 73,095.53
Step by Step Solution
- Step 1: Write the proportion equation
97,679.75 : 134,798.12 = 52,967.75 : x - Step 2: Convert to fraction form
97,679.75/134,798.12 = 52,967.75/x - Step 3: Cross multiply
97,679.75x = 134,798.12 × 52,967.75 - Step 4: Simplify right side
97,679.75x = 7,139,953,120.63 - Step 5: Solve for x
x = 7,139,953,120.63/97,679.75 - Step 6: Final answer
x = 73,095.53
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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.