Finding the Fourth Proportional to 107,053.13, 160,612.14 and 40,513.70
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Solution
The fourth proportional to 107,053.13, 160,612.14 and 40,513.70 is: 60,782.83
Step by Step Solution
- Step 1: Write the proportion equation
107,053.13 : 160,612.14 = 40,513.70 : x - Step 2: Convert to fraction form
107,053.13/160,612.14 = 40,513.70/x - Step 3: Cross multiply
107,053.13x = 160,612.14 × 40,513.70 - Step 4: Simplify right side
107,053.13x = 6,506,992,056.32 - Step 5: Solve for x
x = 6,506,992,056.32/107,053.13 - Step 6: Final answer
x = 60,782.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.