Finding the Fourth Proportional to 107,833.84, 161,695.48 and 57,955.92
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Solution
The fourth proportional to 107,833.84, 161,695.48 and 57,955.92 is: 86,904.17
Step by Step Solution
- Step 1: Write the proportion equation
107,833.84 : 161,695.48 = 57,955.92 : x - Step 2: Convert to fraction form
107,833.84/161,695.48 = 57,955.92/x - Step 3: Cross multiply
107,833.84x = 161,695.48 × 57,955.92 - Step 4: Simplify right side
107,833.84x = 9,371,210,303.24 - Step 5: Solve for x
x = 9,371,210,303.24/107,833.84 - Step 6: Final answer
x = 86,904.17
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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.