Finding the Fourth Proportional to 99,246.06, 136,960.81 and 53,924.80
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Solution
The fourth proportional to 99,246.06, 136,960.81 and 53,924.80 is: 74,416.90
Step by Step Solution
- Step 1: Write the proportion equation
99,246.06 : 136,960.81 = 53,924.80 : x - Step 2: Convert to fraction form
99,246.06/136,960.81 = 53,924.80/x - Step 3: Cross multiply
99,246.06x = 136,960.81 × 53,924.80 - Step 4: Simplify right side
99,246.06x = 7,385,584,017.46 - Step 5: Solve for x
x = 7,385,584,017.46/99,246.06 - Step 6: Final answer
x = 74,416.90
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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.