Finding the Fourth Proportional to 70,992.06, 106,457.02 and 26,587.68
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Solution
The fourth proportional to 70,992.06, 106,457.02 and 26,587.68 is: 39,869.88
Step by Step Solution
- Step 1: Write the proportion equation
70,992.06 : 106,457.02 = 26,587.68 : x - Step 2: Convert to fraction form
70,992.06/106,457.02 = 26,587.68/x - Step 3: Cross multiply
70,992.06x = 106,457.02 × 26,587.68 - Step 4: Simplify right side
70,992.06x = 2,830,445,181.51 - Step 5: Solve for x
x = 2,830,445,181.51/70,992.06 - Step 6: Final answer
x = 39,869.88
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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.