Finding the Fourth Proportional to 98,276.58, 135,582.27 and 61,966.08
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Solution
The fourth proportional to 98,276.58, 135,582.27 and 61,966.08 is: 85,488.34
Step by Step Solution
- Step 1: Write the proportion equation
98,276.58 : 135,582.27 = 61,966.08 : x - Step 2: Convert to fraction form
98,276.58/135,582.27 = 61,966.08/x - Step 3: Cross multiply
98,276.58x = 135,582.27 × 61,966.08 - Step 4: Simplify right side
98,276.58x = 8,401,501,789.40 - Step 5: Solve for x
x = 8,401,501,789.40/98,276.58 - Step 6: Final answer
x = 85,488.34
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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.