Finding the Fourth Proportional to 79,267.24, 109,388.52 and 43,457.14
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Solution
The fourth proportional to 79,267.24, 109,388.52 and 43,457.14 is: 59,970.70
Step by Step Solution
- Step 1: Write the proportion equation
79,267.24 : 109,388.52 = 43,457.14 : x - Step 2: Convert to fraction form
79,267.24/109,388.52 = 43,457.14/x - Step 3: Cross multiply
79,267.24x = 109,388.52 × 43,457.14 - Step 4: Simplify right side
79,267.24x = 4,753,712,228.03 - Step 5: Solve for x
x = 4,753,712,228.03/79,267.24 - Step 6: Final answer
x = 59,970.70
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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.