Finding the Fourth Proportional to 72,686.01, 109,028.93 and 22,769.99
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Solution
The fourth proportional to 72,686.01, 109,028.93 and 22,769.99 is: 34,154.96
Step by Step Solution
- Step 1: Write the proportion equation
72,686.01 : 109,028.93 = 22,769.99 : x - Step 2: Convert to fraction form
72,686.01/109,028.93 = 22,769.99/x - Step 3: Cross multiply
72,686.01x = 109,028.93 × 22,769.99 - Step 4: Simplify right side
72,686.01x = 2,482,588,094.35 - Step 5: Solve for x
x = 2,482,588,094.35/72,686.01 - Step 6: Final answer
x = 34,154.96
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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.