Finding the Fourth Proportional to 70,536.28, 105,730.02 and 23,138.99
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Solution
The fourth proportional to 70,536.28, 105,730.02 and 23,138.99 is: 34,684.08
Step by Step Solution
- Step 1: Write the proportion equation
70,536.28 : 105,730.02 = 23,138.99 : x - Step 2: Convert to fraction form
70,536.28/105,730.02 = 23,138.99/x - Step 3: Cross multiply
70,536.28x = 105,730.02 × 23,138.99 - Step 4: Simplify right side
70,536.28x = 2,446,485,875.48 - Step 5: Solve for x
x = 2,446,485,875.48/70,536.28 - Step 6: Final answer
x = 34,684.08
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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.