Finding the Fourth Proportional to 99,041.08, 136,702.74 and 61,346.92
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Solution
The fourth proportional to 99,041.08, 136,702.74 and 61,346.92 is: 84,674.88
Step by Step Solution
- Step 1: Write the proportion equation
99,041.08 : 136,702.74 = 61,346.92 : x - Step 2: Convert to fraction form
99,041.08/136,702.74 = 61,346.92/x - Step 3: Cross multiply
99,041.08x = 136,702.74 × 61,346.92 - Step 4: Simplify right side
99,041.08x = 8,386,292,054.56 - Step 5: Solve for x
x = 8,386,292,054.56/99,041.08 - Step 6: Final answer
x = 84,674.88
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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.