Finding the Fourth Proportional to 91,797.84, 126,681.52 and 53,584.08
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Solution
The fourth proportional to 91,797.84, 126,681.52 and 53,584.08 is: 73,946.32
Step by Step Solution
- Step 1: Write the proportion equation
91,797.84 : 126,681.52 = 53,584.08 : x - Step 2: Convert to fraction form
91,797.84/126,681.52 = 53,584.08/x - Step 3: Cross multiply
91,797.84x = 126,681.52 × 53,584.08 - Step 4: Simplify right side
91,797.84x = 6,788,112,702.20 - Step 5: Solve for x
x = 6,788,112,702.20/91,797.84 - Step 6: Final answer
x = 73,946.32
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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.