Finding the Fourth Proportional to 117,101.10, 161,599.92 and 63,386.76
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Solution
The fourth proportional to 117,101.10, 161,599.92 and 63,386.76 is: 87,473.95
Step by Step Solution
- Step 1: Write the proportion equation
117,101.10 : 161,599.92 = 63,386.76 : x - Step 2: Convert to fraction form
117,101.10/161,599.92 = 63,386.76/x - Step 3: Cross multiply
117,101.10x = 161,599.92 × 63,386.76 - Step 4: Simplify right side
117,101.10x = 10,243,295,345.06 - Step 5: Solve for x
x = 10,243,295,345.06/117,101.10 - Step 6: Final answer
x = 87,473.95
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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.