Finding the Fourth Proportional to 70,992.44, 106,457.58 and 26,588.05
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Solution
The fourth proportional to 70,992.44, 106,457.58 and 26,588.05 is: 39,870.43
Step by Step Solution
- Step 1: Write the proportion equation
70,992.44 : 106,457.58 = 26,588.05 : x - Step 2: Convert to fraction form
70,992.44/106,457.58 = 26,588.05/x - Step 3: Cross multiply
70,992.44x = 106,457.58 × 26,588.05 - Step 4: Simplify right side
70,992.44x = 2,830,499,459.92 - Step 5: Solve for x
x = 2,830,499,459.92/70,992.44 - Step 6: Final answer
x = 39,870.43
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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.