Finding the Fourth Proportional to 99,595.08, 137,387.76 and 63,746.52
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Solution
The fourth proportional to 99,595.08, 137,387.76 and 63,746.52 is: 87,935.99
Step by Step Solution
- Step 1: Write the proportion equation
99,595.08 : 137,387.76 = 63,746.52 : x - Step 2: Convert to fraction form
99,595.08/137,387.76 = 63,746.52/x - Step 3: Cross multiply
99,595.08x = 137,387.76 × 63,746.52 - Step 4: Simplify right side
99,595.08x = 8,757,991,590.60 - Step 5: Solve for x
x = 8,757,991,590.60/99,595.08 - Step 6: Final answer
x = 87,935.99
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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.