Finding the Fourth Proportional to 73,681.92, 110,522.88 and 18,277.92
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Solution
The fourth proportional to 73,681.92, 110,522.88 and 18,277.92 is: 27,416.88
Step by Step Solution
- Step 1: Write the proportion equation
73,681.92 : 110,522.88 = 18,277.92 : x - Step 2: Convert to fraction form
73,681.92/110,522.88 = 18,277.92/x - Step 3: Cross multiply
73,681.92x = 110,522.88 × 18,277.92 - Step 4: Simplify right side
73,681.92x = 2,020,128,358.81 - Step 5: Solve for x
x = 2,020,128,358.81/73,681.92 - Step 6: Final answer
x = 27,416.88
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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.