Finding the Fourth Proportional to 97,407.66, 134,422.68 and 54,970.14
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Solution
The fourth proportional to 97,407.66, 134,422.68 and 54,970.14 is: 75,858.85
Step by Step Solution
- Step 1: Write the proportion equation
97,407.66 : 134,422.68 = 54,970.14 : x - Step 2: Convert to fraction form
97,407.66/134,422.68 = 54,970.14/x - Step 3: Cross multiply
97,407.66x = 134,422.68 × 54,970.14 - Step 4: Simplify right side
97,407.66x = 7,389,233,538.78 - Step 5: Solve for x
x = 7,389,233,538.78/97,407.66 - Step 6: Final answer
x = 75,858.85
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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.