Finding the Fourth Proportional to 94,239.81, 130,014.09 and 53,931.96
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Solution
The fourth proportional to 94,239.81, 130,014.09 and 53,931.96 is: 74,405.02
Step by Step Solution
- Step 1: Write the proportion equation
94,239.81 : 130,014.09 = 53,931.96 : x - Step 2: Convert to fraction form
94,239.81/130,014.09 = 53,931.96/x - Step 3: Cross multiply
94,239.81x = 130,014.09 × 53,931.96 - Step 4: Simplify right side
94,239.81x = 7,011,914,701.32 - Step 5: Solve for x
x = 7,011,914,701.32/94,239.81 - Step 6: Final answer
x = 74,405.02
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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.