Finding the Fourth Proportional to 110,962.44, 153,085.14 and 70,668.99
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Solution
The fourth proportional to 110,962.44, 153,085.14 and 70,668.99 is: 97,495.80
Step by Step Solution
- Step 1: Write the proportion equation
110,962.44 : 153,085.14 = 70,668.99 : x - Step 2: Convert to fraction form
110,962.44/153,085.14 = 70,668.99/x - Step 3: Cross multiply
110,962.44x = 153,085.14 × 70,668.99 - Step 4: Simplify right side
110,962.44x = 10,818,372,227.81 - Step 5: Solve for x
x = 10,818,372,227.81/110,962.44 - Step 6: Final answer
x = 97,495.80
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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.