Finding the Fourth Proportional to 92,272.68, 127,336.74 and 51,987.08
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Solution
The fourth proportional to 92,272.68, 127,336.74 and 51,987.08 is: 71,742.42
Step by Step Solution
- Step 1: Write the proportion equation
92,272.68 : 127,336.74 = 51,987.08 : x - Step 2: Convert to fraction form
92,272.68/127,336.74 = 51,987.08/x - Step 3: Cross multiply
92,272.68x = 127,336.74 × 51,987.08 - Step 4: Simplify right side
92,272.68x = 6,619,865,289.32 - Step 5: Solve for x
x = 6,619,865,289.32/92,272.68 - Step 6: Final answer
x = 71,742.42
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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.