Finding the Fourth Proportional to 98,053.44, 135,312.48 and 53,341.44
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Solution
The fourth proportional to 98,053.44, 135,312.48 and 53,341.44 is: 73,610.50
Step by Step Solution
- Step 1: Write the proportion equation
98,053.44 : 135,312.48 = 53,341.44 : x - Step 2: Convert to fraction form
98,053.44/135,312.48 = 53,341.44/x - Step 3: Cross multiply
98,053.44x = 135,312.48 × 53,341.44 - Step 4: Simplify right side
98,053.44x = 7,217,762,533.17 - Step 5: Solve for x
x = 7,217,762,533.17/98,053.44 - Step 6: Final answer
x = 73,610.50
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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.